Topology talk

Topics in Rational Homotopy Theory

Speaker to be confirmed.

MR13.

Monday 30 January 2023, 16:00-17:00

Junior Geometry Seminar

Milnor's construction of exotic 7-spheres

Ismael Sierra, University of Cambridge.

MR13.

Friday 27 January 2023, 16:00-17:00

Geometric Group Theory (GGT) Seminar

The rates of growth in a hyperbolic group

Koji Fujiwara (Kyoto University).

MR13.

Friday 27 January 2023, 13:45-14:45

Differential Geometry and Topology Seminar

On frame flow ergodicity

Thibault Lefeuvre (Sorbonne).

MR13.

Wednesday 25 January 2023, 16:00-17:00

Number Theory Seminar

Automorphy Lifting with Ĝ-adequate image

Dmitri Whitmore (Cambridge).

MR13.

Tuesday 24 January 2023, 14:30-15:30

Topology talk

Topics in Rational Homotopy Theory

Speaker to be confirmed.

MR13.

Monday 23 January 2023, 16:00-17:00

Junior Geometry Seminar

Introduction to Orbifold Gromov-Witten Theory

Robert Crumplin (Imperial College London).

MR13.

Friday 20 January 2023, 16:00-17:00

Geometric Group Theory (GGT) Seminar

Computing high-dimensional group cohomology via duality

Benjamin Brueck (ETH Zurich).

MR13.

Friday 20 January 2023, 13:45-14:45

Number Theory Seminar

Title to be confirmed

Netan Dogra (King's College London).

MR13.

Sunday 15 January 2023, 14:30-15:30

Number Theory Seminar

Title to be confirmed

Yu Min (Imperial College London).

MR13.

Sunday 15 January 2023, 14:30-15:30

Number Theory Seminar

Title to be confirmed

Jack Sempliner (Imperial College London).

MR13.

Sunday 15 January 2023, 14:30-15:30

Junior Geometry Seminar

An introduction to condensed mathematics

Guillem Tarrach ( University of Cambridge).

MR13.

Friday 02 December 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Parameterised moduli spaces of surfaces as infinite loop spaces

Andrea Bianchi (Copenhagen).

MR13.

Wednesday 30 November 2022, 16:00-17:00

Junior Geometry Seminar

Understanding automorphisms through actions on trees

Naomi Andrew, Oxford University.

MR13.

Friday 25 November 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

Amenable open covers of right-angled Artin groups

Kevin Li (University of Regensburg).

MR13.

Friday 25 November 2022, 13:45-14:45

Differential Geometry and Topology Seminar

Reciprocal geodesics and dihedral subgroups of lattices in PSL(2, R)

Viveka Erlandsson (Bristol).

MR13.

Wednesday 23 November 2022, 16:00-17:00

Junior Geometry Seminar

Group cohomology, BNS invariants and subgroup separability

Monika Kudlinska, Oxford University.

MR13.

Friday 18 November 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

Hierarchically hyperbolic groups: an introduction

Jason Behrstock (Lehman College, CUNY).

MR13.

Friday 18 November 2022, 13:45-14:45

Differential Geometry and Topology Seminar

String topology and the configuration space of two points

Florian Naef (Trinity College Dublin).

MR13.

Wednesday 16 November 2022, 16:00-17:00

Junior Geometry Seminar

Cube complexes for the uninitiated

Macarena Arenas, University of Cambridge.

MR13.

Friday 11 November 2022, 16:00-17:00

Differential Geometry and Topology Seminar

On not the rational dualizing module for Aut(F_n)

Zachary Himes (Cambridge).

MR13.

Wednesday 09 November 2022, 16:00-17:00

Junior Geometry Seminar

Some moduli spaces for curves of genus 1 and 2

Sam Frengley, University of Cambridge.

MR13.

Friday 04 November 2022, 16:00-17:00

Differential Geometry and Topology Seminar

The role of stability conditions in understanding Artin groups

Edmund Heng (IHES).

MR13.

Wednesday 02 November 2022, 16:00-17:00

Junior Geometry Seminar

Curve counting and tropical geometry

Patrick Kennedy-Hunt (University of Cambridge).

MR13.

Friday 28 October 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Topological Langlands duality for 3-manifolds

David Jordan (Edinburgh).

MR13.

Wednesday 26 October 2022, 16:00-17:00

Junior Geometry Seminar

Configurations, scanning and planetary systems

Andreas Stavrou, University of Cambridge.

MR13.

Friday 21 October 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

Duality groups and Cohen-Macaulay spaces

Ric Wade (University of Oxford).

MR13.

Friday 21 October 2022, 13:45-14:45

Differential Geometry and Topology Seminar

Morava K-theory of infinite groups and Euler characteristic

Irakli Patchkoria (Aberdeen).

MR13.

Wednesday 19 October 2022, 16:00-17:00

Junior Geometry Seminar

Compactifying Jacobians

Thibault Poiret, University of Cambridge.

MR13.

Friday 14 October 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

Discrete group actions on 3-manifolds and embeddable Cayley complexes.

Agelos Georgakopoulos (University of Warwick).

MR13.

Friday 14 October 2022, 13:45-14:45

Differential Geometry and Topology Seminar

4-manifolds with infinite cyclic fundamental group

Mark Powell (Glasgow).

MR13.

Wednesday 12 October 2022, 16:00-17:00

Topology talk

Mapping class group of manifolds which look like 3-dimensional complete intersections

Matthias Kreck, Hausdorff center for Mathematics.

MR13.

Thursday 11 August 2022, 14:00-15:00

Topology talk

The quotients of the congruence subgroups of braid groups

Peter Patzt, University of Oklahoma.

MR13.

Wednesday 10 August 2022, 16:00-17:00

Junior Geometry Seminar

Localization theorems in Kähler geometry

Alexia Corradini, Institut Polytechnique de Paris.

MR13.

Friday 17 June 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

Computing bounded cohomology of discrete groups

Francesco Fournier-Facio (ETH Zurich).

MR13.

Friday 17 June 2022, 13:45-14:45

Number Theory Seminar

Hecke orbits on Shimura varieties of Hodge type

Pol van Hoften (Stanford University).

MR13.

Tuesday 14 June 2022, 14:30-15:30

Junior Geometry Seminar

Diffeomorphism groups of connected sums of S^n x S^n

Azélie Picot.

MR13.

Friday 27 May 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

Quantifying lawlessness in finitely generated groups

Henry Bradford (University of Cambridge).

MR13.

Friday 27 May 2022, 13:45-14:45

Differential Geometry and Topology Seminar

Mapping class groups for simply connected 4-manifolds with boundary

Patrick Orson, MPI Bonn.

MR13.

Wednesday 25 May 2022, 16:00-17:00

Junior Geometry Seminar

A short introduction to non-archimedean geometry

Guillem Garcia-Tarrach, University of Cambridge.

MR13.

Friday 20 May 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Homological filling functions and the word problem

Robert Kropholler (Warwick).

MR13.

Wednesday 18 May 2022, 16:00-17:00

Junior Geometry Seminar

SCL: Searching for surfaces in groups

Alexis Marchand, University of Cambridge.

MR13.

Friday 13 May 2022, 16:00-17:00

Differential Geometry and Topology Seminar

The Ruelle zeta function at zero for nearly hyperbolic 3-manifolds

Gabriel Paternain (Cambridge).

MR13.

Wednesday 11 May 2022, 16:00-17:00

Junior Geometry Seminar

Title to be confirmed

Ismael Sierra del Rio, University of Cambridge.

MR13.

Tuesday 10 May 2022, 16:00-17:00

Junior Geometry Seminar

Random Walks on Lie Groups and Diophantine Approximation:

Constantin Kogler, University of Cambridge.

MR13.

Friday 06 May 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Geometry and spectrum of random hyperbolic surfaces

Laura Monk (Bristol).

MR13.

Wednesday 04 May 2022, 16:00-17:00

Number Theory Seminar

The formalism of Shimura varieties

Richard Taylor, Stanford University.

MR13.

Tuesday 03 May 2022, 14:30-15:30

Junior Geometry Seminar

Comparing non-archimedean and logarithmic mirror families

Samuel Johnston, University of Cambridge.

MR13.

Friday 29 April 2022, 16:00-17:00

Junior Analysis and PDE seminar

Reifenberg's Topological Disk Theorem

Mattia Luchese .

MR13.

Wednesday 30 March 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Knot theory and machine learning

Marc Lackenby, Oxford.

MR13.

Wednesday 16 March 2022, 16:00-17:00

Number Theory Seminar

Rigid meromorphic cocycles and p-adic variations of modular forms

Alice Pozzi, Imperial College London.

MR13.

Tuesday 15 March 2022, 14:30-15:30

Junior Geometry Seminar

Knot projections in 3-manifolds other than the 3-sphere

Adele Jackson, University of Oxford.

MR13.

Friday 11 March 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Homotopical Lagrangian Monodromy

Noah Porcelli, Cambridge.

MR13.

Wednesday 09 March 2022, 16:00-17:00

Number Theory Seminar

Mordell–Weil groups of elliptic curves — beyond ranks

Alex Bartel, University of Glasgow.

MR13.

Tuesday 08 March 2022, 14:30-15:30

Junior Geometry Seminar

Mapping class groups of high dimensional manifolds

Ismael Sierra, University of Cambridge.

MR13.

Friday 04 March 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Khovanov homology and knot detection

Steven Sivek, Imperial College London.

MR13.

Wednesday 02 March 2022, 16:00-17:00

Number Theory Seminar

[Cancelled] Local Langlands in families for classical groups in the banal case

Robert Kurinczuk, University of Sheffield.

MR13.

Tuesday 01 March 2022, 14:30-15:30

Number Theory Seminar

Arithmetic statistics via graded Lie algebras

Jef Laga, University of Cambridge.

MR13.

Tuesday 01 March 2022, 14:30-15:30

Junior Geometry Seminar

Introduction to the Teichmuller space

Annamaria Ortu (Scuola Internazionale Superiore di Studi Avanzati).

MR13.

Friday 25 February 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Applications of cobordism categories to enumerative invariants

Markus Upmeier, Aberdeen.

MR13.

Wednesday 23 February 2022, 16:00-17:00

Number Theory Seminar

[cancelled] Arithmetic statistics via graded Lie algebras

Jef Laga, University of Cambridge.

MR13.

Tuesday 22 February 2022, 14:30-15:30

Junior Geometry Seminar

Quadratic Differentials, Spectral Networks and Non-Abelianization

Nick Nho, University of Cambridge.

MR13.

Friday 18 February 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

The isomorphism problem for Artin groups.

Nicolas Vaskou (Heriot-Watt University).

MR13.

Friday 18 February 2022, 13:45-14:45

Differential Geometry and Topology Seminar

Smooth embeddings and their families

Danica Kosanović, ETH.

MR13.

Wednesday 16 February 2022, 16:00-17:00

Junior Geometry Seminar

A cubical Rips construction

Macarena Arenas, University of Cambridge.

MR13.

Friday 11 February 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Character varieties of random groups

Oren Becker, Cambridge.

MR13.

Wednesday 09 February 2022, 16:00-17:00

Number Theory Seminar

Arthur packets for p-adic groups and the wavefront set

Emile Takahiro Okada, University of Oxford.

MR13.

Tuesday 08 February 2022, 14:30-15:30

Differential Geometry and Topology Seminar

The surface category and tropical curves

Jan Steinebrunner, University of Cambridge.

MR13.

Wednesday 02 February 2022, 16:00-17:00

Number Theory Seminar

Optimal Diophantine Exponents and the Spectral Decomposition

Amitay Kamber, University of Cambridge.

MR13.

Tuesday 01 February 2022, 14:30-15:30

Junior Geometry Seminar

Enumerative geometry and Kontsevich's formula for counts of rational curves in a plane

Ajith Kumaran, University of Cambridge .

MR13.

Friday 28 January 2022, 16:00-17:00

Differential Geometry and Topology Seminar

Knots, minimal surfaces and J-holomorphic curves

Joel Fine, Université Libre de Bruxelles.

MR13.

Wednesday 26 January 2022, 16:00-17:00

Junior Geometry Seminar

A proof of Gromov Non-Squeezing with implicit atlases

Amanda Jenny, University of Cambridge.

MR13.

Friday 21 January 2022, 16:00-17:00

Geometric Group Theory (GGT) Seminar

A Deligne complex for Artin monoids

Rachael Boyd (University of Cambridge).

MR13.

Friday 21 January 2022, 13:45-14:45

Number Theory Seminar

Title to be confirmed

Amitay Kamber, University of Cambridge.

MR13.

Tuesday 18 January 2022, 14:30-15:30

Number Theory Seminar

Title to be confirmed

Vaidehee Thatte, King's College London.

MR13.

Tuesday 18 January 2022, 14:30-15:30

Number Theory Seminar

Title to be confirmed

Alex Bartel, University of Glasgow.

MR13.

Tuesday 18 January 2022, 14:30-15:30

Junior Geometry Seminar

Homological Lagrangian Monodromy

Noah Porcelli, University of Cambridge.

MR13.

Friday 03 December 2021, 16:00-17:00

Number Theory Seminar

p-arithmetic cohomology and p-adic automorphic forms

Guillem Garcia-Tarrach, University of Cambridge.

MR13.

Tuesday 30 November 2021, 14:30-15:30

Differential Geometry and Topology Seminar

Morava K-theory and Hamiltonian loops

Ivan Smith, Cambridge.

MR13.

Wednesday 24 November 2021, 16:00-17:00

Number Theory Seminar

Evaluating the wild Brauer group

Rachel Newton (King's College London).

MR13.

Tuesday 23 November 2021, 14:30-15:30

Junior Geometry Seminar

Thin right-angled Coxeter subgroups of some uniform arithmetic lattices

Sami Douba, McGill University and Paris-Saclay University.

MR13.

Friday 19 November 2021, 16:00-17:00

Differential Geometry and Topology Seminar

Homological stability for Temperley-Lieb algebras

Rachael Boyd, Cambridge.

MR13.

Wednesday 17 November 2021, 16:00-17:00

Number Theory Seminar

Gaussian distribution of squarefree and B-free numbers in short intervals

Alexander Mangerel (Durham University).

MR13.

Tuesday 16 November 2021, 14:30-15:30

Junior Geometry Seminar

Cohomology of configuration spaces of surfaces as mapping class group representations

Andreas Stavrou, University of Cambridge.

MR13.

Friday 12 November 2021, 16:00-17:00

Differential Geometry and Topology Seminar

Symplectic cohomology of compound du Val singularities

Jonny Evans, Lancaster.

MR13.

Wednesday 10 November 2021, 16:00-17:00

Number Theory Seminar

P-adic L-functions for GL(3)

Chris Williams (University of Warwick).

MR13.

Tuesday 09 November 2021, 14:30-15:30

Junior Geometry Seminar

A proof of Donaldson's Theorem

Samuel Muñoz Echániz, University of Cambridge .

MR13.

Friday 05 November 2021, 16:00-17:00

Differential Geometry and Topology Seminar

The topology of the Gelfand–Zeitlin fiber

Jeff Carlson, Imperial.

MR13.

Wednesday 03 November 2021, 16:00-17:00

Number Theory Seminar

Congruences of Elliptic Curves Arising from Non-Surjective Galois Representations

Sam Frengley, Cambridge.

MR13.

Tuesday 02 November 2021, 14:30-15:30

Differential Geometry and Topology Seminar

Trying to quantify Gromov's non-squeezing theorem

Umut Varolgunes, Edinburgh.

MR13.

Wednesday 27 October 2021, 16:00-17:00

Differential Geometry and Topology Seminar

Cubulating groups acting on polygonal complexes

Calum Ashcroft, Cambridge.

MR13.

Wednesday 20 October 2021, 16:00-17:00

Differential Geometry and Topology Seminar

The transport Oka-Grauert principle for simple surfaces

Jan Bohr, Cambridge.

MR13.

Wednesday 13 October 2021, 16:00-17:00

Number Theory Seminar

Recent progress on the formal degree conjecture

David Schwein (University of Cambridge).

MR13.

Tuesday 12 October 2021, 14:30-15:30

Junior Geometry Seminar

Floer Homology of Lagrangian Intersections

Noah Porcelli (DPMMS).

MR13.

Friday 06 March 2020, 16:00-17:00

Differential Geometry and Topology Seminar

Trisections and the Thom conjecture - CANCELLED

Peter Lambert-Cole, MPI Bonn.

MR13.

Wednesday 04 March 2020, 16:00-17:00

Junior Geometry Seminar

Weinstein Handlebodies for Compliments of Smoothed Toric Divisors

Angela Wu (University College London).

MR13.

Friday 28 February 2020, 16:00-17:00

Differential Geometry and Topology Seminar

Highly connected manifolds in dimensions larger than 248

Jeremy Hahn, MIT.

MR13.

Wednesday 26 February 2020, 16:00-17:00

Junior Geometry Seminar

Holomorphic curves in Symplectic Topology

Kai Hugtenburg (Edinburgh).

MR13.

Friday 21 February 2020, 16:00-17:00

Differential Geometry and Topology Seminar

An arithmetic count of rational plane curves

Kirsten Wickelgren, Duke.

MR13.

Wednesday 19 February 2020, 16:00-17:00

Number Theory Seminar

On some unlikely intersections for values and orbits of rational functions

Alina Ostafe (The University of New South Wales).

MR13.

Tuesday 18 February 2020, 14:30-15:30

Junior Geometry Seminar

Proving homological stability of families of groups

Ismael Sierra.

MR13.

Friday 14 February 2020, 16:00-17:00

Differential Geometry and Topology Seminar

Recent progress on the Fried conjecture

Viet Dang, Lyon.

MR13.

Wednesday 12 February 2020, 16:00-17:00

Number Theory Seminar

On a generalization of Perrin-Riou's conjecture on Kato's zeta elements

Takamichi Sano (Osaka City University and King's College London).

MR13.

Tuesday 11 February 2020, 14:30-15:30

Junior Geometry Seminar

Equivariant Elliptic Cohomology, Kan we build it?

Matteo Barucco (Warwick).

MR13.

Friday 07 February 2020, 16:00-17:00

Differential Geometry and Topology Seminar

Resonant spaces for volume preserving Anosov flows

Gabriel Paternain, Cambridge.

MR13.

Wednesday 05 February 2020, 16:00-17:00

Number Theory Seminar

Twisted orbital integrals and irreducible components of affine Deligne-Lusztig varieties

Rong Zhou (Imperial College London).

MR13.

Tuesday 04 February 2020, 14:30-15:30

Differential Geometry and Topology Seminar

Rational curves and birational contractions on hyperkahler manifolds

Ekaterina Amerik, Orsay.

MR13.

Wednesday 29 January 2020, 16:00-17:00

Number Theory Seminar

Distribution of Hecke eigenvalues

Jasmin Matz (University of Copenhagen).

MR13.

Tuesday 28 January 2020, 14:30-15:30

Junior Geometry Seminar

The boundary rigidity problem

Jan Bohr (University of Cambridge).

MR13.

Friday 24 January 2020, 16:00-17:00

Differential Geometry and Topology Seminar

Groups acting improperly on cube complexes

Jason Manning, Cornell.

MR13.

Wednesday 22 January 2020, 16:00-17:00

Junior Geometry Seminar

Homological Berglund-Hübsch mirror symmetry for curves

Matt Habermann (LSGNT).

MR13.

Friday 17 January 2020, 16:00-17:00

Differential Geometry and Topology Seminar

Exotic Lagrangian tori in Grassmannians

Marco Castronovo, Rutgers.

MR13.

Wednesday 15 January 2020, 16:00-17:00

Differential Geometry and Topology Seminar

Quantum topology of Legendrian curves

Fabian Haiden, Oxford.

MR13.

Wednesday 04 December 2019, 16:00-17:00

Number Theory Seminar

p-adic L-functions via higher Hida theory

David Loeffler.

MR13.

Tuesday 03 December 2019, 14:30-15:30

Topology talk

Graph-complexes: from finite type knot invariants in R^3 to the rational homotopy type of embedding spaces. III

Victor Turchin, Kansas.

MR13.

Monday 02 December 2019, 14:00-15:00

Junior Geometry Seminar

Exotic negatively curved manifolds and their symmetries

Mauricio Bustamante (DPMMS).

MR13.

Friday 29 November 2019, 16:00-17:00

Topology talk

Graph-complexes: from finite type knot invariants in R^3 to the rational homotopy type of embedding spaces. II

Victor Turchin, Kansas.

MR13.

Thursday 28 November 2019, 14:00-15:00

Differential Geometry and Topology Seminar

Obstructing isotopies between surfaces in four-manifolds

Hannah Schwartz, MPI Bonn.

MR13.

Wednesday 27 November 2019, 16:00-17:00

Number Theory Seminar

Symmetric power functoriality for modular forms

Jack Thorne.

MR13.

Tuesday 26 November 2019, 14:30-15:30

Differential Geometry and Topology Seminar

Quasimorphisms on groups of diffeomorphisms

Richard Webb, Cambridge.

MR13.

Wednesday 20 November 2019, 16:00-17:00

Number Theory Seminar

Dyadic approximation in the Cantor set

Sam Chow (Warwick University).

MR13.

Tuesday 19 November 2019, 14:30-15:30

Junior Geometry Seminar

Tangent Cones and Minimal Hypersurface Singularities

Paul Minter (University of Cambridge).

MR13.

Friday 15 November 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Homological representations for families of groups

Arthur Soulié, Cambridge.

MR13.

Wednesday 13 November 2019, 16:00-17:00

Number Theory Seminar

Completed cohomology and the p-adic Langlands program

David Hansen.

MR13.

Tuesday 12 November 2019, 14:30-15:30

Junior Geometry Seminar

Introduction to the Minimal Model Program

Fredrik Rotnes (Imperial College).

MR13.

Friday 08 November 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Knotted surfaces in 4-manifolds and distances between them

Oliver Singh, Durham.

MR13.

Wednesday 06 November 2019, 16:00-17:00

Number Theory Seminar

The Langlands-Shahidi method over function fields

Luis Lomelí.

MR13.

Tuesday 05 November 2019, 14:30-15:30

Junior Geometry Seminar

Introduction to K-stability

Michael Hallam (Oxford).

MR13.

Friday 01 November 2019, 16:00-17:00

Differential Geometry and Topology Seminar

The spectrum of simplicial volume

Nicolaus Heuer, Cambridge.

MR13.

Wednesday 30 October 2019, 16:00-17:00

Number Theory Seminar

The Scholze-Shin conjecture in some cases

Alex Youcis.

MR13.

Tuesday 29 October 2019, 14:30-15:30

Differential Geometry and Topology Seminar

Exact Calabi-Yau structures and disjoint Lagrangian spheres

Yin Li, UCL.

MR13.

Wednesday 23 October 2019, 16:00-17:00

Number Theory Seminar

Parity conjecture for abelian varieties

Vladimir Dokchitser.

MR13.

Tuesday 22 October 2019, 14:30-15:30

Junior Geometry Seminar

The discrete bordism category in dimension 1

Jan Steinebrunner (Oxford).

MR13.

Friday 18 October 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Symplectic embeddings and infinite staircases

Tara Holm, Cornell.

MR13.

Wednesday 16 October 2019, 16:00-17:00

Number Theory Seminar

j-invariant and Borcherds Phi-function

Shu Kawaguchi (Doshisha University).

MR13.

Tuesday 15 October 2019, 14:30-15:30

Junior Geometry Seminar

Constructing representations for braid groups

Arthur Soulie (DPMMS).

MR13.

Friday 11 October 2019, 16:00-17:00

Number Theory Seminar

Plectic weight filtration on Hilbert modular varieties

Zhiyou Wu (Cambridge).

MR13.

Tuesday 11 June 2019, 14:30-15:30

Junior Geometry Seminar

Instanton Floer homology, the Alexander polynomial, and moduli spaces of rank 2 stable vector bundles

Adam Baranowski (DPMMS).

MR13.

Friday 07 June 2019, 17:00-18:00

Number Theory Seminar

Families of Drinfeld modular forms for GL(N)

Marc-Hubert Nicole (Montréal/Marseille).

MR13.

Tuesday 04 June 2019, 14:30-15:30

Junior Geometry Seminar

Decorated moduli spaces of manifolds

Luciana Bonatto (Oxford).

MR13.

Friday 31 May 2019, 16:00-17:00

Topology talk

Homological densities and stability of generalized configuration spaces via factorization homology. IV

Quoc Ho (IST Austria).

MR13.

Friday 31 May 2019, 10:00-11:00

Topology talk

Homological densities and stability of generalized configuration spaces via factorization homology. III

Quoc Ho (IST Austria).

MR13.

Wednesday 29 May 2019, 10:00-11:00

Number Theory Seminar

The eigencurve at Eisenstein weight one points

Alice Pozzi (UCL).

MR13.

Tuesday 28 May 2019, 14:30-15:30

Topology talk

Homological densities and stability of generalized configuration spaces via factorization homology. II

Quoc Ho (IST Austria).

MR13.

Tuesday 28 May 2019, 10:00-11:00

Topology talk

Homological densities and stability of generalized configuration spaces via factorization homology. I

Quoc Ho (IST Austria).

MR13.

Monday 27 May 2019, 10:00-11:00

Junior Geometry Seminar

A brief introduction to Lorentzian Geometry, general relativity and black holes

Christoph Kehle (DPMMS).

MR13.

Friday 24 May 2019, 16:00-17:00

Number Theory Seminar

Self-dual cuspidal and supercuspidal representations

Jeffrey Adler (American University).

MR13.

Tuesday 21 May 2019, 14:30-15:30

Junior Geometry Seminar

Poincare duality groups and actions on trees

Gareth Wilkes (DPMMS).

MR13.

Friday 17 May 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Blowing up extremal Poincaré type manifolds

Lars Sektnan, UQAM / McGill.

MR13.

Wednesday 15 May 2019, 16:00-17:00

Number Theory Seminar

p-adic unlikely intersections and rational points on curves

Netan Dogra (University of Oxford).

MR13.

Tuesday 14 May 2019, 14:30-15:30

Junior Geometry Seminar

Projective twists in a plumbing configuration of projective spaces

Brunella Charlotte Torricelli, Cambridge University.

MR13.

Friday 10 May 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Splitting of the homology of the punctured mapping class group

Andrea Bianchi, Bonn.

MR13.

Wednesday 08 May 2019, 16:00-17:00

Number Theory Seminar

Breuil--Mézard conjectures for central division algebras

Andrea Dotto (Imperial College).

MR13.

Tuesday 07 May 2019, 14:30-15:30

Differential Geometry and Topology Seminar

Squeezing Lagrangian tori in R^4

Emmanuel Opshtein, Strasbourg.

MR13.

Wednesday 01 May 2019, 16:00-17:00

Number Theory Seminar

On the geometry of the Hodge-Tate period morphism

Ana Caraiani (Imperial).

MR13.

Tuesday 30 April 2019, 14:30-15:30

Differential Geometry and Topology Seminar

Lagrangian Clean Surgery and Projective Dehn Twists

Weiwei Wu, University of Georgia.

MR13.

Wednesday 24 April 2019, 16:00-17:00

Junior Geometry Seminar

Consequences of non-positive curvature

Jordan Frost (Bristol).

MR13.

Friday 15 March 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Cohomology of Torelli groups

Oscar Randal-Williams, Cambridge.

MR13.

Wednesday 13 March 2019, 16:00-17:00

Number Theory Seminar

Local non-abelian Kummer maps for curves

Alexander Betts (Max Planck).

MR13.

Tuesday 12 March 2019, 14:30-15:30

Junior Geometry Seminar

What is a relatively hyperbolic group?

Harry Petyt (Bristol).

MR13.

Friday 08 March 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Smoothing finite group actions on three-manifolds

John Pardon, Princeton.

MR13.

Wednesday 06 March 2019, 16:00-17:00

Number Theory Seminar

Supercuspidal representations modulo p

Marie-France Vigneras (Jussieu).

MR13.

Tuesday 05 March 2019, 14:30-15:30

Junior Geometry Seminar

Four Manifolds and two complexes with finite fundamental group

Johnny Nicholson (UCL).

MR13.

Friday 01 March 2019, 16:00-17:00

Number Theory Seminar

Selmer groups and some analytic quantities made from L-values for elliptic curves

Masato Kurihara (Keio University).

MR13.

Tuesday 26 February 2019, 16:00-17:00

Number Theory Seminar

Uniform irreducibility of Galois action on the l-primary part of Abelian 3-folds of Picard type

Mladen Dimitrov (Lille).

MR13.

Tuesday 26 February 2019, 14:30-15:30

Junior Geometry Seminar

Cubulating groups

Sam Shepherd (Oxford).

MR13.

Friday 22 February 2019, 16:00-17:00

Differential Geometry and Topology Seminar

New complete metrics with holonomy G_2

Johannes Nordstrom, Bath.

MR13.

Wednesday 20 February 2019, 16:00-17:00

Number Theory Seminar

Application of (mixed) Ax-Schanuel to counting rational points on curves

Ziyang Gao.

MR13.

Tuesday 19 February 2019, 14:30-15:30

Junior Geometry Seminar

From Formal to Actual Fibrations

Moritz Meisel (Augsburg).

MR13.

Friday 15 February 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Torus knots and rational homology balls

Ana Lecuona, Glasgow.

MR13.

Wednesday 13 February 2019, 16:00-17:00

Number Theory Seminar

Dynamical uniform boundedness and the abc-conjecture

Nicole Looper (Cambridge).

MR13.

Tuesday 12 February 2019, 14:30-15:30

Junior Geometry Seminar

CANCELLED

Alex Wendland (Warwick).

MR13.

Friday 08 February 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Jordan property for diffeomorphism groups

Ignasi Mundet i Riera, Barcelona.

MR13.

Wednesday 06 February 2019, 16:00-17:00

Number Theory Seminar

Integer valued polynomials and fast equdistribution in number fields

Mikolaj Fraczyk.

MR13.

Tuesday 05 February 2019, 14:30-15:30

Differential Geometry and Topology Seminar

Critical points of low index for the systole function

Maxime Fortier-Bourque, Glasgow.

MR13.

Wednesday 30 January 2019, 16:00-17:00

Number Theory Seminar

On $(\varphi,\Gamma)$-modules for Lubin-Tate extensions

Otmar Venjakob (Heidelberg).

MR13.

Tuesday 29 January 2019, 14:30-15:30

Differential Geometry and Topology Seminar

Surface subgroups of cubulable hyperbolic groups

Henry Wilton, Cambridge.

MR13.

Wednesday 23 January 2019, 16:00-17:00

Number Theory Seminar

Finding three-term arithmetic progressions in dense sets of integers

Thomas Bloom (Cambridge).

MR13.

Tuesday 22 January 2019, 14:30-15:30

Junior Geometry Seminar

The Gross-Siebert program

Ben Morley.

MR13.

Friday 18 January 2019, 16:00-17:00

Differential Geometry and Topology Seminar

Stabilization distance bounds from link Floer homology

Andras Juhasz, Oxford.

MR13.

Wednesday 28 November 2018, 16:00-17:00

Number Theory Seminar

Singular moduli for real quadratic fields and p-adic mock modular forms

Jan Vonk (Oxford).

MR13.

Tuesday 27 November 2018, 14:30-15:30

Junior Geometry Seminar

Qualitative Counting Closed Geodesics

Bastien Karlhofer (Aberdeen).

MR13.

Friday 23 November 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Tropical Lagrangians and mirror symmetry

Jeff Hicks, Berkeley & ETH.

MR13.

Wednesday 21 November 2018, 16:00-17:00

Number Theory Seminar

Iwahori-Hecke algebras and measures for split Kac-Moody groups

Ramla Abdellatif (Université de Picardie Jules Verne).

MR13.

Tuesday 20 November 2018, 14:30-15:30

Junior Geometry Seminar

Stable Commutator Length

Nicolaus Heuer (Oxford).

MR13.

Friday 16 November 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Detecting exotic smooth structures in diffeomorphism groups

Manuel Krannich, Cambridge.

MR13.

Wednesday 14 November 2018, 16:00-17:00

Number Theory Seminar

Variation of Iwasawa invariants in residually reducible Hida families

Preston Wake (IAS).

MR13.

Tuesday 13 November 2018, 14:30-15:30

Junior Geometry Seminar

TQFTs, Skein Modules and Knots in 3-Manifolds

Oliver Singh (Durham).

MR13.

Friday 09 November 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Quantum cohomology and DAHA actions

Catharina Stroppel, Bonn.

MR13.

Wednesday 07 November 2018, 16:00-17:00

Number Theory Seminar

Level raising for automorphic representations of GL(2n)

Christos Anastassiades (Cambridge).

MR13.

Tuesday 06 November 2018, 14:30-15:30

Junior Geometry Seminar

Sarkisov links in classification of Fanos

Livia Campo (Warwick).

MR13.

Friday 02 November 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Algebraic K-theory and exact Lagrangians in cotangent bundles

Thomas Kragh, Uppsala.

MR13.

Wednesday 31 October 2018, 16:00-17:00

Number Theory Seminar

Where are the zeroes of a random p-adic polynomial?

Xavier Caruso (CNRS).

MR13.

Tuesday 30 October 2018, 14:30-15:30

Junior Geometry Seminar

The pants graph

Esme te Winkel (Warwick).

MR13.

Friday 26 October 2018, 15:00-16:00

Differential Geometry and Topology Seminar

The quantum Steenrod square

Nicholas Wilkins, Oxford.

MR13.

Wednesday 24 October 2018, 16:00-17:00

Number Theory Seminar

Common torsion points and a uniform Manin-Mumford bound for a family of genus 2 curves

Holly Krieger (Cambridge).

MR13.

Tuesday 23 October 2018, 14:30-15:30

Junior Geometry Seminar

Geometric Invariant Theory and Moduli Problems

Joshua Jackson (Oxford).

MR13.

Friday 19 October 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Convex cocompact actions of Coxeter groups

Fanny Kassel, IHES.

MR13.

Wednesday 17 October 2018, 16:00-17:00

Number Theory Seminar

l-adic local systems over a curve

Hongjie Yu (IMJ-PRG).

MR13.

Tuesday 16 October 2018, 14:30-15:30

Junior Geometry Seminar

Introduction to Geometry and Topology at DPMMS

Speaker to be confirmed.

MR13.

Friday 12 October 2018, 15:00-16:00

Statistics

Heteroskedastic PCA: Algorithm, Optimality, and Applications

Tony Cai, University of Pennsylvania.

MR13.

Thursday 11 October 2018, 16:00-17:00

Differential Geometry and Topology Seminar

Matrix integrals, graphs on surfaces and mapping class groups

Doron Puder, Tel Aviv.

MR13.

Wednesday 10 October 2018, 16:00-17:00

Junior Geometry Seminar

Expanders via actions on manifolds

Federico Vigolo (Oxford).

MR13.

Thursday 04 October 2018, 15:00-16:00

Number Theory Seminar

Semisimplicity of certain Galois representations occurring in etale cohomology of unitary Shimura varieties

Jan Nekovář (Sorbonne Université).

MR13.

Tuesday 05 June 2018, 14:30-15:30

Combinatorics Seminar

The Junta Method for Hypergraphs

Noam Lifschitz (Bar-Ilan University).

MR13.

Thursday 31 May 2018, 14:30-15:30

Junior Geometry Seminar

When is a manifold a fiber bundle over the circle?

Dexter Chua (Cambridge).

MR13.

Friday 25 May 2018, 15:00-16:00

Combinatorics Seminar

Complete Graphs with No Rainbow Tree

Peter Wagner (University of Rostock).

MR13.

Thursday 24 May 2018, 14:30-15:30

Differential Geometry and Topology Seminar

Stable diffeomorphisms of 4-manifolds

Mark Powell, Durham.

MR13.

Wednesday 23 May 2018, 16:00-17:00

Number Theory Seminar

On the automorphy of 2-dimensional potentially semistable deformation rings of $G_{Q_p}$

Shen-Ning Tung (Universität Duisburg-Essen).

MR13.

Tuesday 22 May 2018, 14:30-15:30

Junior Geometry Seminar

Symplectizations and foliations in embedded contact homology

Thomas Brown (University of Cambridge).

MR13.

Friday 18 May 2018, 15:00-16:00

Combinatorics Seminar

Sets of integers with many solutions to a linear equation

James Aaronson (University of Oxford).

MR13.

Thursday 17 May 2018, 14:30-15:30

Differential Geometry and Topology Seminar

An analogue of the curve complex for Garside groups

Bertold Wiest (Université de Rennes 1).

MR13.

Wednesday 16 May 2018, 16:00-17:00

Number Theory Seminar

Vanishing theorems for Siegel modular varieties of infinite Gamma_1-level

Christian Johansson (University of Cambridge).

MR13.

Tuesday 15 May 2018, 14:30-15:30

Junior Geometry Seminar

Periods of tropical K3 hypersurfaces

Yuto Yamamoto (University of Tokyo).

MR13.

Friday 11 May 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Detecting splittings of hyperbolic groups

Benjamin Barrett (Cambridge).

MR13.

Wednesday 09 May 2018, 16:00-17:00

Number Theory Seminar

Representations of p-adic groups

Jessica Fintzen (Cambridge / IAS / Michigan).

MR13.

Tuesday 08 May 2018, 14:30-15:30

Junior Geometry Seminar

Alternating quotients of right-angled Artin groups

Michal Buran (DPMMS).

MR13.

Friday 04 May 2018, 15:00-16:00

Number Theory Seminar

Arithmetic of rational points and zero-cycles on Kummer varieties

Rachel Newton (University of Reading).

MR13.

Tuesday 01 May 2018, 14:30-15:30

Junior Geometry Seminar

Hopf algebras and 3-categories

David Reutter (Oxford).

MR13.

Friday 27 April 2018, 15:00-16:00

Part III Seminars

The Emerging Story of Gravity

Thomas Laird.

MR13.

Friday 16 March 2018, 17:00-18:00

Part III Seminars

The Reality Problem of Quantum Mechanics

Sam Crawford.

MR13.

Friday 16 March 2018, 16:00-17:00

Part III Seminars

Central Limit Theorems in Simple Exclusion Processes

Akuan Liu.

MR13.

Thursday 15 March 2018, 16:30-17:30

Part III Seminars

IDLA and the Abelian property

Frankie Higgs.

MR13.

Thursday 15 March 2018, 15:30-16:30

Part III Seminars

The Spaces $H_1$ and $H_{-1}$

Edison Rragami.

MR13.

Thursday 15 March 2018, 14:00-15:00

Part III Seminars

Brownian motion on Riemannian Manifolds and Riemann surfaces

Matthis Lehmkuehler.

MR13.

Thursday 15 March 2018, 13:00-14:00

Differential Geometry and Topology Seminar

Tropically constructed Lagrangian in mirror quintic threefolds

Cheuk Yu Mak, Cambridge.

MR13.

Wednesday 14 March 2018, 16:00-17:00

Number Theory Seminar

Density of automorphic points in polarized Galois deformation rings

Eugen Hellmann.

MR13.

Tuesday 13 March 2018, 14:30-15:30

Junior Geometry Seminar

Symplectic topology of some surface singularities

Emily Maw (LSGNT).

MR13.

Friday 09 March 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Lp-restriction of eigenfunctions to random Cantor type sets

Suresh Eswarathasan, Cardiff.

MR13.

Wednesday 07 March 2018, 16:00-17:00

Number Theory Seminar

Cancelled due to industrial action

Speaker to be confirmed.

MR13.

Tuesday 06 March 2018, 14:30-15:30

Junior Geometry Seminar

Operads with homological stability and infinite loop space structures

Tomas Zeman (Oxford).

MR13.

Friday 02 March 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Stable diffeomorphisms of 4-manifolds - POSTPONED

Mark Powell, Durham.

MR13.

Wednesday 28 February 2018, 16:00-17:00

Number Theory Seminar

Character varieties and (\varphi_L,\Gamma_L)-modules

Peter Schneider.

MR13.

Tuesday 27 February 2018, 14:30-15:30

Differential Geometry and Topology Seminar

Bundles with fiberwise negatively curved metrics

Mauricio Bustamante, Augsburg.

MR13.

Wednesday 21 February 2018, 16:00-17:00

Number Theory Seminar

Minimal models for rational functions in a dynamical setting

Nils Bruin (Simon Fraser University).

MR13.

Tuesday 20 February 2018, 14:30-15:30

Junior Geometry Seminar

An outline of how manifolds relate to algebraic K-theory

Nils Prigge (University of Cambridge).

MR13.

Friday 16 February 2018, 15:00-16:00

Differential Geometry and Topology Seminar

On symplectic stabilisations and mapping classes

Ailsa Keating, Cambridge.

MR13.

Wednesday 14 February 2018, 16:00-17:00

Number Theory Seminar

Counting rational points on a bi-projective variety

Roger Heath-Brown (University of Oxford).

MR13.

Tuesday 13 February 2018, 14:30-15:30

Junior Geometry Seminar

Isoperimetric Inequalities and Geometric Flows

Albert Wood (LSGNT).

MR13.

Friday 09 February 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Word-hyperbolic surface bundles

Chris Leininger, UIUC.

MR13.

Wednesday 07 February 2018, 16:00-17:00

Number Theory Seminar

On primes dividing the discriminant of genus 3 curves

Elisa Lorenzo García (Université de Rennes).

MR13.

Tuesday 06 February 2018, 14:30-15:30

Junior Geometry Seminar

A global approach to equivariant homotopy theory

Luca Pol (Sheffield).

MR13.

Friday 02 February 2018, 15:00-16:00

Differential Geometry and Topology Seminar

Integrals over unitary groups, maps on surfaces, and Euler characteristics

Michael Magee, Durham.

MR13.

Wednesday 31 January 2018, 16:00-17:00

Number Theory Seminar

Purity for the Brauer group

Kestutis Cesnavicius (Université Paris-Sud).

MR13.

Tuesday 30 January 2018, 14:30-15:30

Differential Geometry and Topology Seminar

Normal subgroups of mapping class groups

Tara Brendle, Glasgow.

MR13.

Wednesday 24 January 2018, 16:00-17:00

Number Theory Seminar

D-modules on rigid analytic spaces

Simon Wadsley (Cambridge).

MR13.

Tuesday 23 January 2018, 14:30-15:30

Number Theory Seminar

Ordinary representations and locally analytic socle for GL_n(Q_p)

Florian Herzig (University of Toronto).

MR13.

Tuesday 05 December 2017, 14:30-15:30

Junior Geometry Seminar

Morita Theory in Stable Homotopy Theory

Jordan Williamson (Sheffield).

MR13.

Friday 01 December 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Legendrian Surfaces: Fostering the Art of Front Cooking

Roger Casals, UCL.

MR13.

Wednesday 29 November 2017, 16:00-17:00

Number Theory Seminar

Variation under functoriality of geometrically-motivated classes of archimedean representations

Wushi Goldring (Stockholm University).

MR13.

Tuesday 28 November 2017, 14:30-15:30

Junior Geometry Seminar

Detecting the Thurston norm via twisted Reidemeister torsion

Adam Baranowski (DPMMS).

MR13.

Friday 24 November 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Homotopical ideas in the theory of knots

Markus Szymik, Trondheim.

MR13.

Wednesday 22 November 2017, 16:00-17:00

Number Theory Seminar

Local epsilon-isomorphisms in families

Rebecca Bellovin (Imperial).

MR13.

Tuesday 21 November 2017, 14:30-15:30

Junior Geometry Seminar

Gromov-Witten Invariants and Quantum Cohomology

Ben Morley (University of Cambridge).

MR13.

Friday 17 November 2017, 15:00-16:00

Differential Geometry and Topology Seminar

SU(2)-cyclic surgeries and the pillowcase

Steven Sivek, Imperial College.

MR13.

Wednesday 15 November 2017, 16:00-17:00

Number Theory Seminar

Bernstein series of enhanced Langlands parameters

Anne-Marie Aubert (CNRS/Jussieu).

MR13.

Tuesday 14 November 2017, 14:30-15:30

Junior Geometry Seminar

Introduction to Lagrangian Floer theory

Brunella Torricelli (DPMMS).

MR13.

Friday 10 November 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Monodromy, flops and deformations

Michael Wemyss, Glasgow.

MR13.

Wednesday 08 November 2017, 16:00-17:00

Number Theory Seminar

Strongly modular models of Q-curves

Andrea Ferraguti (Cambridge).

MR13.

Tuesday 07 November 2017, 14:30-15:30

Differential Geometry and Topology Seminar

Infinite staircases in symplectic embedding capacity functions

Ana Rita Pires, Cambridge.

MR13.

Wednesday 01 November 2017, 16:00-17:00

Number Theory Seminar

Zero-cycles on homogeneous spaces and the inverse Galois problem

Yonatan Harpaz (IHES).

MR13.

Tuesday 31 October 2017, 14:30-15:30

Junior Geometry Seminar

Finding distinguished metrics on manifolds

Christian Lund (Cambridge).

MR13.

Friday 27 October 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Cubic fourfolds, K3 surfaces, and mirror symmetry

Nick Sheridan, Cambridge.

MR13.

Wednesday 25 October 2017, 16:00-17:00

Number Theory Seminar

Parity of ranks of abelian surfaces

Celine Maistret (University of Bristol).

MR13.

Tuesday 24 October 2017, 14:30-15:30

Junior Geometry Seminar

The Fukaya-Morse algebra of a manifold

Jack Smith (UCL).

MR13.

Friday 20 October 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Hypersymplectic structures on 4-manifolds and the G2 Laplacian flow

Joel Fine, ULB.

MR13.

Wednesday 18 October 2017, 16:00-17:00

Number Theory Seminar

Unlikely intersections in families of abelian varieties and some polynomial Diophantine equations

Laura Capuano (University of Oxford).

MR13.

Tuesday 17 October 2017, 14:30-15:30

Junior Geometry Seminar

Introduction to the Farrell-Jones conjecture

Renee Hoekzema (Oxford).

MR13.

Friday 13 October 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Ultralimits of maximal representations

Beatrice Pozzetti, Heidelberg.

MR13.

Wednesday 11 October 2017, 16:00-17:00

Number Theory Seminar

Finite subgroups of special linear groups, with arithmetic applications

Yuval Flicker (Ohio State University).

MR13.

Tuesday 10 October 2017, 14:30-15:30

Junior Geometry Seminar

Train tracks, curves and efficient position

Ronja Kuhne (Warwick).

MR13.

Friday 23 June 2017, 15:00-16:00

Junior Geometry Seminar

An introduction to Spin^c structures

Marco Marengon (DPMMS).

MR13.

Friday 09 June 2017, 15:00-16:00

Number Theory Seminar

Reduction of dynatomic curves

Holly Krieger (University of Cambridge).

MR13.

Tuesday 06 June 2017, 14:30-15:30

Number Theory Seminar

A class number formula for Picard modular surfaces

Shrenik Shah (Columbia University).

MR13.

Tuesday 30 May 2017, 15:30-16:30

Number Theory Seminar

Pseudorepresentations and the Eisenstein ideal

Carl Wang Erickson (Imperial College).

MR13.

Tuesday 30 May 2017, 14:00-15:00

Junior Geometry Seminar

Lagrangian branes and symplectic methods in generalised complex geometry

Charlotte Kirchhoff-Lukat (DAMTP).

MR13.

Friday 26 May 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Symmetries in monotone Lagrangian Floer theory

Jack Smith, Cambridge.

MR13.

Wednesday 24 May 2017, 16:00-17:00

Number Theory Seminar

The Weak Leopoldt Conjecture for adjoint representations

Patrick Allen (University of Illinois at Urbana-Champaign).

MR13.

Tuesday 23 May 2017, 14:30-15:30

Junior Geometry Seminar

Heegaard Floer and Embedded Contact homology, an introduction

Tom Brown (DPMMS).

MR13.

Friday 19 May 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Homological Stability of Moduli Spaces of High Dimensional Manifolds

Nina Friedrich, Cambridge.

MR13.

Wednesday 17 May 2017, 16:00-17:00

Number Theory Seminar

Iterating the algebraic étale-Brauer set

Francesca Balestrieri (University of Oxford).

MR13.

Tuesday 16 May 2017, 14:30-15:30

Junior Geometry Seminar

The persistent homology of data

Nina Otter (Oxford).

MR13.

Friday 12 May 2017, 15:00-16:00

Differential Geometry and Topology Seminar

The Calderon problem for connections

Mihajlo Cekic, Cambridge.

MR13.

Wednesday 10 May 2017, 16:00-17:00

Number Theory Seminar

Higher Hida theory

Vincent Pilloni (ENS Lyon).

MR13.

Tuesday 09 May 2017, 14:30-15:30

Junior Geometry Seminar

A theorem of Kontsevich on graph complexes and some applications in topology

Nils Prigge (DPMMS).

MR13.

Friday 05 May 2017, 15:00-16:00

Differential Geometry and Topology Seminar

On the existence of Lagrangians with special properties

Yng-Ing Lee, Taiwan and Oxford.

MR13.

Wednesday 03 May 2017, 16:00-17:00

Number Theory Seminar

Rational Structures on Automorphic Representations and an Automorphic Analogue of Deligne's Conjecture

Fabian Januszweski (Karlsruhe Institute of Technology).

MR13.

Tuesday 02 May 2017, 14:30-15:30

Junior Geometry Seminar

The Allen-Cahn construction of minimal hypersurfaces

Fritz Hiesmayr (Cambridge).

MR13.

Friday 28 April 2017, 15:00-16:00

Number Theory Seminar

The relative trace formula of Jacquet-Rallis

Michał Zydor (Weizmann Institute).

MR13.

Tuesday 21 March 2017, 14:30-15:30

Junior Geometry Seminar

Skein algebra, 3-manifolds and categorification

Paul Wedrich (Imperial).

MR13.

Friday 17 March 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Higher Teichmueller theory: from PSL(2,R) to other Lie groups

Marc Burger, ETH.

MR13.

Wednesday 15 March 2017, 16:00-17:00

Number Theory Seminar

Wild parameters and the Langlands correspondence for classical groups

Shaun Stevens (UEA).

MR13.

Tuesday 14 March 2017, 14:30-15:30

Junior Geometry Seminar

Moduli Spaces of Manifolds

Manuel Krannich (University of Copenhagen).

MR13.

Friday 10 March 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Annular Khovanov-Lee homology, Braids, and Cobordisms

Eli Grigsby, Boston College.

MR13.

Wednesday 08 March 2017, 16:00-17:00

Number Theory Seminar

Modular forms and p-adic L-functions

Joaquin Rodrigues (UCL).

MR13.

Tuesday 07 March 2017, 14:30-15:30

Junior Geometry Seminar

Monopoles in R³

Raúl Sánchez Galán (UCL).

MR13.

Friday 03 March 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Rigidity and Flexibility for Handlebody Groups

Sebastian Hensel, Bonn.

MR13.

Wednesday 01 March 2017, 16:00-17:00

Number Theory Seminar

Galois Representations for the general symplectic group

Arno Kret (University of Amsterdam).

MR13.

Tuesday 28 February 2017, 14:30-15:30

Junior Geometry Seminar

Heegaard Floer correction terms, semigroups, and plane cuspidal curves

Marco Golla (Uppsalala).

MR13.

Friday 24 February 2017, 15:00-16:00

Differential Geometry and Topology Seminar

The cohomological McKay correspondence via Floer theory

Alexander Ritter, Oxford.

MR13.

Wednesday 22 February 2017, 16:00-17:00

Number Theory Seminar

Integral models for eigenvarieties

Christian Johansson (University of Cambridge).

MR13.

Tuesday 21 February 2017, 14:30-15:30

Differential Geometry and Topology Seminar

A log PSS map with applications to Lagrangian embedding questions

Dan Pomerleano, Imperial.

MR13.

Wednesday 15 February 2017, 16:00-17:00

Number Theory Seminar

Galois action on units of rings of integers

Alex Torzewski (University of Warwick).

MR13.

Tuesday 14 February 2017, 14:30-15:30

Differential Geometry and Topology Seminar

A tale of two norms.

Nathan Dunfield, UIUC.

MR13.

Wednesday 08 February 2017, 16:00-17:00

Number Theory Seminar

Recovering a local field from its Galois group

Marius Leonhardt (University of Cambridge).

MR13.

Tuesday 07 February 2017, 14:30-15:30

Junior Geometry Seminar

Connections in Twistor Theory

James Gundry (DAMTP).

MR13.

Friday 03 February 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Prospects for Floer homotopy theory

Mohammed Abouzaid, Columbia.

MR13.

Wednesday 01 February 2017, 16:00-17:00

Number Theory Seminar

Images of Galois representations in Hida families

Jaclyn Lang (Universite Paris 13).

MR13.

Tuesday 31 January 2017, 14:30-15:30

Junior Geometry Seminar

Calderon problem for Yang-Mills connections

Mihajlo Cekić (DPMMS).

MR13.

Friday 27 January 2017, 15:00-16:00

Differential Geometry and Topology Seminar

Coherence and Kähler groups

Pierre Py, Strasbourg & UNAM.

MR13.

Wednesday 25 January 2017, 16:00-17:00

Number Theory Seminar

L-functions of curves

Tim Dokchitser (University of Bristol).

MR13.

Tuesday 24 January 2017, 14:30-15:30

Junior Geometry Seminar

Classifying spaces of categories and topological monoids

Nils Prigge (DPMMS).

MR13.

Friday 02 December 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Surface subgroups of graphs of free groups.

Henry Wilton, Cambridge.

MR13.

Wednesday 30 November 2016, 16:00-17:00

Number Theory Seminar

mu-ordinary Hasse invariants and the canonical filtration of a p-divisible group

Valentin Hernandez (Paris 6).

MR13.

Tuesday 29 November 2016, 14:30-15:30

Differential Geometry and Topology Seminar

Thurston eigenvalues for unbounded postcritically finite rational maps

Holly Krieger, Cambridge.

MR13.

Wednesday 23 November 2016, 16:00-17:00

Number Theory Seminar

The nonabelian elliptic Fourier transform for unipotent representations of p-adic groups

Dan Ciubotaru (University of Oxford).

MR13.

Tuesday 22 November 2016, 14:30-15:30

Junior Geometry Seminar

Hamiltonian group actions on symplectic 6-manifolds

Nick Lindsay (King's College London).

MR13.

Friday 18 November 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Applications of cellular E_2-algebras

Oscar Randal-Williams, Cambridge.

MR13.

Wednesday 16 November 2016, 16:00-17:00

Number Theory Seminar

On the Gross-Stark conjecture

Mahesh Kakde (KCL).

MR13.

Tuesday 15 November 2016, 14:30-15:30

Junior Geometry Seminar

Symplectic resolutions of Higgs Bundles

Andrea Tirelli (Imperial).

MR13.

Friday 11 November 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Stability of the geodesic ray transform in the presence of caustics

Sean Holman, Manchester.

MR13.

Wednesday 09 November 2016, 16:00-17:00

Junior Geometry Seminar

Geometry of mapping class groups

Katie Vokes (Warwick).

MR13.

Friday 04 November 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Polynomial-time Nielsen--Thurston type recognition

Richard Webb, Cambridge.

MR13.

Wednesday 02 November 2016, 16:00-17:00

Number Theory Seminar

Representations of p-adic groups via geometric invariant theory

Beth Romano (University of Cambridge).

MR13.

Tuesday 01 November 2016, 14:30-15:30

Junior Geometry Seminar

Being Vladimir Berkovich

Lawrence Barrott (DPMMS).

MR13.

Friday 28 October 2016, 15:00-16:00

Differential Geometry and Topology Seminar

A remark on the Euler equations of hydrodynamics

Kai Cieliebak, Augsburg.

MR13.

Wednesday 26 October 2016, 16:00-17:00

Number Theory Seminar

Sansuc’s formula and Tate global duality (d’après Rosengarten).

Brian Conrad (Stanford University).

MR13.

Tuesday 25 October 2016, 16:00-17:00

Number Theory Seminar

Companion points and locally analytic socle for GL(2)

Yiwen Ding (Imperial College London).

MR13.

Tuesday 25 October 2016, 14:30-15:30

Junior Geometry Seminar

String theory on K3 surfaces

Dr Kenny Wong (DAMPT).

MR13.

Friday 21 October 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Holonomy perturbations and irreducible SL(2,C)-representations of homology 3-spheres

Raphael Zentner, Regensburg.

MR13.

Wednesday 19 October 2016, 16:00-17:00

Number Theory Seminar

Patching and the completed homology of locally symmetric spaces.

James Newton (King's College London).

MR13.

Tuesday 18 October 2016, 14:30-15:30

Junior Geometry Seminar

The Alexander polynomial, its categorification and gluing

Tom Hockenhull (Imperial).

MR13.

Friday 14 October 2016, 15:00-16:00

Differential Geometry and Topology Seminar

From Foliations to Contact Structures

Jonathan Bowden, Munich.

MR13.

Wednesday 12 October 2016, 16:00-17:00

Number Theory Seminar

Parity of Selmer ranks in quadratic twist families

Adam Morgan (KCL).

MR13.

Tuesday 11 October 2016, 14:30-15:30

Number Theory Seminar

Euler systems and deformation of Galois representations

Eric Urban (Colombia University).

MR13.

Monday 03 October 2016, 11:00-12:00

Junior Geometry Seminar

Application of Persistent Homology to Biological Networks

Bernadette Stolz (Oxford).

MR13.

Friday 10 June 2016, 15:00-16:00

Junior Geometry Seminar

Causality in Lovelock theories of gravity

Giuseppe Papallo (Cambridge, DAMTP).

MR13.

Friday 03 June 2016, 15:00-16:00

Junior Geometry Seminar

Calibrated Geometry

Kim Moore (Cambridge).

MR13.

Friday 27 May 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Concordance maps in knot Floer homology

Marco Marengon, Imperial.

MR13.

Wednesday 25 May 2016, 16:00-17:00

Junior Geometry Seminar

Gluing asymptotically cylindrical Calabi-Yau threefolds: or, how seven dimensions are easier than six

Tim Talbot (Cambridge).

MR13.

Friday 20 May 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Filtering the Heegaard-Floer contact invariant

Andy Wand, Glasgow.

MR13.

Wednesday 18 May 2016, 16:00-17:00

Number Theory Seminar

An identity on class numbers of cubic rings

Evan O'Dorney (Cambridge).

MR13.

Tuesday 17 May 2016, 14:15-15:15

Junior Geometry Seminar

Gromov-Witten invariants and point constraints

Zhi Jin (Cambridge).

MR13.

Friday 13 May 2016, 15:00-16:00

Differential Geometry and Topology Seminar

C⁰-symplectic topology and the Arnold conjecture.

Vincent Humiliere, Jussieu.

MR13.

Wednesday 11 May 2016, 16:00-17:00

Junior Geometry Seminar

JSJ decompositions of groups

Ben Barrett (Cambridge).

MR13.

Friday 06 May 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Homotopy theory and the space of metrics of positive scalar curvature

Thomas Schick, Goettingen.

MR13.

Wednesday 04 May 2016, 16:00-17:00

Number Theory Seminar

Systems of forms of the same degree

Simon Leo Rydin Myerson (University of Oxford).

MR13.

Tuesday 03 May 2016, 14:15-15:15

Junior Geometry Seminar

On the wrapped Fukaya category of the 4-punctured sphere

Claudius Zibrowius (Cambridge).

MR13.

Friday 29 April 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Infinite loop spaces and positive scalar curvature in the presence of a fundamental group

Johannes Ebert, Muenster.

MR13.

Wednesday 27 April 2016, 16:00-17:00

Junior Geometry Seminar

Introduction to anabelian geometry

Alexander Betts (Oxford).

MR13.

Friday 11 March 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Loops are loops

Jake Rasmussen, Cambridge.

MR13.

Wednesday 09 March 2016, 16:00-17:00

Junior Geometry Seminar

Calderon problem for connections

Mihajlo Cekic (Cambridge).

MR13.

Friday 04 March 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Counting torus fibrations on a K3 surface

Simion Filip, Chicago.

MR13.

Wednesday 02 March 2016, 16:00-17:00

Junior Geometry Seminar

Frobenius manifolds and isomonodromic families of connections

Anna Barbieri (University of Pavia).

MR13.

Friday 26 February 2016, 15:00-16:00

Differential Geometry and Topology Seminar

An "unlinked" Floer homology, and Poincaré surfaces.

Barney Bramham, Bochum.

MR13.

Wednesday 24 February 2016, 16:00-17:00

Junior Geometry Seminar

Einstein structures on manifolds and orbifolds

Christian Lund (Cambridge).

MR13.

Friday 19 February 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Geometric Whitney problem: reconstruction of a manifold from a point cloud

Matti Lassas, Helsinki.

MR13.

Wednesday 17 February 2016, 16:00-17:00

Junior Geometry Seminar

An introduction to knot contact homology

Georgios Dimitroglou Rizell (Cambridge).

MR13.

Friday 12 February 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Rational homotopy theory of the little n-disks operads

Thomas Willwacher, Zurich.

MR13.

Wednesday 10 February 2016, 16:00-17:00

Junior Geometry Seminar

Generalised Geometry and Dorfman Brackets

Charlotte Kirchhoff-Lukat (Cambridge).

MR13.

Friday 05 February 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Veering Dehn Surgery

Saul Schleimer, Warwick.

MR13.

Wednesday 03 February 2016, 16:00-17:00

Junior Geometry Seminar

Laurent phenomenon and symplectic cohomology

Dmitry Tonkonog (Cambridge).

MR13.

Friday 29 January 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Quasicircles of dimension 1+k^2 do not exist

Oleg Ivrii, Helsinki.

MR13.

Wednesday 27 January 2016, 16:00-17:00

Number Theory Seminar

Irrationality proofs, moduli spaces, and dinner parties

Francis Brown (University of Oxford).

MR13.

Tuesday 26 January 2016, 14:15-15:15

Junior Geometry Seminar

The Auroux-Kontsevich-Seidel criterion

Jack Smith (Cambridge).

MR13.

Friday 22 January 2016, 15:00-16:00

Differential Geometry and Topology Seminar

Fixed point theorems for holomorphic maps on Teichmueller spaces and beyond

Stergios Antonakoudis, Cambridge.

MR13.

Wednesday 20 January 2016, 16:00-17:00

Number Theory Seminar

Fourier coefficients of Siegel modular forms and applications

Abhishek Saha (University of Bristol).

MR13.

Tuesday 19 January 2016, 14:15-15:15

Junior Geometry Seminar

Homological Stability of Moduli Spaces of High Dimensional Manifolds

Nina Friedrich (Cambridge).

MR13.

Friday 15 January 2016, 15:00-16:00

Junior Geometry Seminar

Symplectic reduction and stability of points

Ruadhai Dervan (Cambridge).

MR13.

Friday 04 December 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Geometry of the moduli space of abelian differentials

Ursula Hamenstadt, Bonn.

MR13.

Wednesday 02 December 2015, 16:00-17:00

Number Theory Seminar

Additive problems and exponential sums over smooth numbers

Adam Harper (University of Cambridge).

MR13.

Tuesday 01 December 2015, 14:15-15:15

Junior Geometry Seminar

In quest for a non-formal G_2 manifold

Dominic Wallis (Bath University).

MR13.

Friday 27 November 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Tight contact structures on connected sums need not be contact connected sums

Chris Wendl, UCL.

MR13.

Wednesday 25 November 2015, 16:00-17:00

Number Theory Seminar

Commensurability of automorphism groups, and number theoretic applications

Alex Bartel (Warwick University).

MR13.

Tuesday 24 November 2015, 14:15-15:15

Junior Geometry Seminar

Cobordism maps in link Floer homology and reduced Khovanov homology

Marco Marengon (Imperial College).

MR13.

Friday 20 November 2015, 15:00-16:00

Differential Geometry and Topology Seminar

On profinite properties of 3-manifolds.

Michel Boileau, Aix-Marseille.

MR13.

Wednesday 18 November 2015, 16:00-17:00

Number Theory Seminar

Serre weights and wild ramification in two-dimensional Galois representations

Fred Diamond (KCL).

MR13.

Tuesday 17 November 2015, 14:15-15:15

Junior Geometry Seminar

An introduction to Ricci solitons

Alejandro Betancourt (Oxford).

MR13.

Friday 13 November 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Resonance for loop homology of spheres

Hans-Bert Rademacher, Leipzig.

MR13.

Wednesday 11 November 2015, 16:00-17:00

Number Theory Seminar

Arthur's multiplicity formula for automorphic representations of certain inner forms of special orthogonal and symplectic groups

Olivier Taïbi (Imperial College).

MR13.

Tuesday 10 November 2015, 14:15-15:15

Junior Geometry Seminar

"O Volvox, how dost thou turn thyself inside out?"

Pierre Haas (DAMTP).

MR13.

Friday 06 November 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Resolving isolated singularities of Kahler constant scalar curvature compact and ALE orbifolds

Claudio Arezzo, ICTP.

MR13.

Wednesday 04 November 2015, 16:00-17:00

Number Theory Seminar

Parabolic induction and extensions

Julien Hauseux (KCL).

MR13.

Tuesday 03 November 2015, 14:15-15:15

Junior Geometry Seminar

Geodesic networks in the Sphere

Nicolau Sarquis (Imperial College).

MR13.

Friday 30 October 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Hierarchical hyperbolicity

Mark Hagen, Cambridge.

MR13.

Wednesday 28 October 2015, 16:00-17:00

Number Theory Seminar

Overconvergent modular forms and perfectoid Shimura curves

Przemyslaw Chojecki (University of Oxford).

MR13.

Tuesday 27 October 2015, 14:15-15:15

Junior Geometry Seminar

Periods in the classical and super setting

Giulio Codogni (University of Pavia and University Roma Tre).

MR13.

Friday 23 October 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Contact topology from the Legendrian viewpoint

Roger Casals, MIT.

MR13.

Wednesday 21 October 2015, 16:00-17:00

Number Theory Seminar

Eigenvarieties for non-cuspidal Siegel modular forms

Giovanni Rosso (University of Cambridge).

MR13.

Tuesday 20 October 2015, 14:15-15:15

Junior Geometry Seminar

Hodge theory for curves

Thomas Prince (Imperial College).

MR13.

Friday 16 October 2015, 15:00-16:00

Number Theory Seminar

Ranks of quadratic twists of elliptic curves (Please note change in time)

Tom Fisher (Cambridge) / Andrew Granville (UCL).

MR13.

Tuesday 13 October 2015, 14:45-15:45

Junior Geometry Seminar

Logarithmic geometry

Zhi Jin (University of Cambridge).

MR13.

Friday 12 June 2015, 15:00-16:00

Junior Geometry Seminar

Introduction to homological stability

Nina Friedrich (University of Cambridge).

MR13.

Friday 05 June 2015, 15:00-16:00

Junior Geometry Seminar

Around the Cone Conjecture

Diletta Martinelli (Imperial).

MR13.

Friday 29 May 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Floer simple manifolds and L-space intervals

Sarah Rasmussen, Cambridge.

MR13.

Wednesday 27 May 2015, 16:00-17:00

Number Theory Seminar

The average elliptic curve has few integral points

Levent Alpoge (Cambridge).

MR13.

Tuesday 26 May 2015, 16:15-17:15

Differential Geometry and Topology Seminar

Wise's w-cycle conjecture and homological coherence for one-relator groups

Lars Louder, UCL.

MR13.

Wednesday 20 May 2015, 16:00-17:00

Number Theory Seminar

Transcendental Brauer-Manin obstructions on Kummer surfaces

Rachel Newton (MPIM).

MR13.

Tuesday 19 May 2015, 16:15-17:15

Junior Geometry Seminar

An introduction to Floer simple manifolds, taut foliations and a possible connection between them

Tom Brown (University of Cambridge).

MR13.

Friday 15 May 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Involutive Heegaard Floer homology and new correction terms

Ciprian Manolescu, UCLA.

MR13.

Wednesday 13 May 2015, 16:00-17:00

Number Theory Seminar

Analytic continuation on some unitary Shimura varieties

Stéphane Bijakowski (Paris 13).

MR13.

Tuesday 12 May 2015, 16:15-17:15

Junior Geometry Seminar

Axial Discs on Homogeneous Lagrangians

Jack Smith (University of Cambridge).

MR13.

Friday 08 May 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Recurrence on infinite cyclic coverings - CANCELLED

Albert Fathi, ENS Lyon.

MR13.

Wednesday 06 May 2015, 16:00-17:00

Number Theory Seminar

Shimura varieties and complex conjugation

Lucio Guerberoff (UCL).

MR13.

Tuesday 05 May 2015, 16:15-17:15

Junior Geometry Seminar

Boundaries of hyperbolic groups

Ben Barrett (Cambridge).

MR13.

Friday 01 May 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Inessential Brown-Peterson homology and bordism of elementary abelian groups

Bernhard Hanke, University of Augsburg.

MR13.

Wednesday 29 April 2015, 16:00-17:00

Number Theory Seminar

An interplay between the p-parts of the Tate-Shafarevich group

Vladimir Dokchitser (Warwick University).

MR13.

Tuesday 28 April 2015, 16:15-17:15

Differential Geometry and Topology Seminar

Title to be confirmed

Sarah Rasmussen, Cambridge.

MR13.

Tuesday 21 April 2015, 16:00-17:00

Junior Geometry Seminar

Limiting Carleman weights and related inverse problems

Mihajlo Cekic (Cambridge).

MR13.

Friday 13 March 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Formality of symplectic mapping tori

Marisa Fernandez, EHU, Spain.

MR13.

Wednesday 11 March 2015, 16:00-17:00

Number Theory Seminar

Non-commutative q-expansions

Mahesh Kakde (King's College London).

MR13.

Tuesday 10 March 2015, 16:15-17:15

Junior Geometry Seminar

The Alexander polynomial as a Reshetikhin-Turaev invariant

Jonathan Grant (Durham).

MR13.

Friday 06 March 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Cycles in moduli spaces of graphs

Karen Vogtmann, Cornell.

MR13.

Wednesday 04 March 2015, 16:00-17:00

Number Theory Seminar

The plectic Taniyama group

Chris Blake (University of Cambridge).

MR13.

Tuesday 03 March 2015, 16:15-17:15

Junior Geometry Seminar

Topological Methods in Contact Dynamics

Alexandru Cioba (UCL).

MR13.

Friday 27 February 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Teichmüller curves in genus three and unlikely intersections

Martin Moeller, MPI & Frankfurt.

MR13.

Wednesday 25 February 2015, 16:00-17:00

Number Theory Seminar

The what of p-adic L-functions

David Hansen (Columbia University).

MR13.

Tuesday 24 February 2015, 16:15-17:15

Junior Geometry Seminar

The moduli space of Ricci flat Kähler metrics

Christian Lund (Cambridge).

MR13.

Friday 20 February 2015, 15:00-16:00

Differential Geometry and Topology Seminar

L-spaces versus non-left-orderability for graph manifolds

Liam Watson, Glasgow.

MR13.

Wednesday 18 February 2015, 16:00-17:00

Number Theory Seminar

L-functions as distributions

Andrew Booker (University of Bristol).

MR13.

Tuesday 17 February 2015, 16:15-17:15

Junior Geometry Seminar

Stability of twisted constant scalar curvature Kähler metrics

Ruadhai Dervan (University of Cambridge).

MR13.

Friday 13 February 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Sums of excursions along random Teichmuller geodesics and volume asymptotics in the moduli space of quadratic differentials

Vaibhav Gadre, Warwick.

MR13.

Wednesday 11 February 2015, 16:00-17:00

Number Theory Seminar

Euler systems and the Birch--Swinnerton-Dyer conjecture

Sarah Zerbes (University College London).

MR13.

Tuesday 10 February 2015, 16:15-17:15

Junior Geometry Seminar

Deformations of link homologies

Paul Wedrich (Cambridge).

MR13.

Friday 06 February 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Lagrangian unknottedness in the cotangent bundle of a torus and applications

Georgios Dimitroglou Rizell, Cambridge.

MR13.

Wednesday 04 February 2015, 16:00-17:00

Number Theory Seminar

Asymptotic Growth of Torsion Homology of Arithmetic Hyperbolic 3-Manifolds

Haluk Sengun (Sheffield University).

MR13.

Tuesday 03 February 2015, 16:15-17:15

Junior Geometry Seminar

Gromov-Witten invariants in Algebraic Geometry

Lawrence Barrott (Cambridge).

MR13.

Friday 30 January 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Categorified colored HOMFLY invariants of rational tangles

Paul Wedrich, Cambridge.

MR13.

Wednesday 28 January 2015, 16:00-17:00

Number Theory Seminar

Stark points and p-adic iterated integrals attached to modular forms of weight one

Alan Lauder (University of Oxford).

MR13.

Tuesday 27 January 2015, 16:15-17:15

Junior Geometry Seminar

Grassmannians and Period Mappings in Derived Algebraic Geometry

Carmelo Di Natale (Cambridge).

MR13.

Friday 23 January 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Towards homological mirror symmetry for hypersurfaces in the algebraic torus

Denis Auroux, Berkeley and l'IHP.

MR13.

Wednesday 21 January 2015, 16:00-17:00

Number Theory Seminar

Hasse principle for Kummer varieties (joint work with Yonatan Harpaz)

Alexei Skorobogatov (Imperial College).

MR13.

Tuesday 20 January 2015, 16:15-17:15

Junior Geometry Seminar

An introduction to the LMMP in positive characteristic

Joe Waldron (Cambridge).

MR13.

Friday 16 January 2015, 15:00-16:00

Differential Geometry and Topology Seminar

Family Floer cohomology

Mohammed Abouzaid, Columbia.

MR13.

Wednesday 14 January 2015, 16:00-17:00

Junior Geometry Seminar

Alexander polynomials​ for tangles

Claudius Zibrowius (Cambridge).

MR13.

Friday 12 December 2014, 15:00-16:00

Junior Geometry Seminar

The non-existence of a Kähler-Einstein metric on CP^2 # (- CP^2) via toric geometry

Lars Sektnan (Imperial).

MR13.

Friday 05 December 2014, 15:00-16:00

Differential Geometry and Topology Seminar

No seminar scheduled

The Invisible Man, Iping.

MR13.

Wednesday 03 December 2014, 16:00-17:00

Junior Geometry Seminar

Analytic and algebraic aspects of moduli problems

Anton Isopoussu.

MR13.

Friday 28 November 2014, 15:00-16:00

Differential Geometry and Topology Seminar

The Crowley-Nordström invariant for G2 manifolds

Sebastian Goette, Freiburg.

MR13.

Wednesday 26 November 2014, 16:00-17:00

Number Theory Seminar

Bloch-Kato conjecture for Asai representation

Tobias Berger (University of Sheffield).

MR13.

Tuesday 25 November 2014, 16:15-17:15

Junior Geometry Seminar

An introduction to sutured Floer homology

Marco Marengon (Imperial).

MR13.

Friday 21 November 2014, 15:00-16:00

Differential Geometry and Topology Seminar

Alternating knots with unknotting number one

Duncan McCoy, Glasgow.

MR13.

Wednesday 19 November 2014, 16:00-17:00

Number Theory Seminar

p-adic cohomology over local fields of characteristic p

Chris Lazda (Imperial College).

MR13.

Tuesday 18 November 2014, 16:15-17:15

Junior Geometry Seminar

Distinguishing Clifford and Chekanov Lagrangian tori in $\C^2$ and $\CP^2$ via count of J-holomorphic discs.

Renato Vianna (Cambridge).

MR13.

Friday 14 November 2014, 15:00-16:00

Differential Geometry and Topology Seminar

The complex geometry of Teichmüller spaces and symmetric domains

Stergios Antonakoudis, Cambridge.

MR13.

Wednesday 12 November 2014, 16:00-17:00

Number Theory Seminar

Moduli of mod p Galois representations

Toby Gee (Imperial College).

MR13.

Tuesday 11 November 2014, 16:15-17:15

Junior Geometry Seminar

Mirror symmetry and cluster algebra

Mandy Cheung (Cambridge).

MR13.

Friday 07 November 2014, 14:00-15:00

Differential Geometry and Topology Seminar

Distinguishing 3-manifolds by their finite covers

Henry Wilton, Cambridge.

MR13.

Wednesday 05 November 2014, 16:00-17:00

Number Theory Seminar

Gaps between primes

James Maynard (Oxford University).

MR13.

Tuesday 04 November 2014, 16:15-17:15

Junior Geometry Seminar

Gromov-Hausdorff limit of smooth projective varieties

Yoshinori Hashimoto (UCL).

MR13.

Friday 31 October 2014, 15:00-16:00

Differential Geometry and Topology Seminar

On exotic Lagrangian tori in the complex projective plane

Renato Vianna, Cambridge.

MR13.

Wednesday 29 October 2014, 16:00-17:00

Number Theory Seminar

Anticyclotomic p-adic heights on elliptic curves

Jennifer Balakrishnan (Oxford University).

MR13.

Tuesday 28 October 2014, 16:15-17:15

Differential Geometry and Topology Seminar

X-ray transform and lens rigidity on manifolds with hyperbolic trapped set

Colin Guillarmou, ENS Paris.

MR13.

Wednesday 22 October 2014, 16:00-17:00

Number Theory Seminar

Plectic cohomology of Shimura varieties

Tony Scholl (University of Cambridge).

MR13.

Tuesday 21 October 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Modular symbols, class numbers, and the high-dimensional cohomology of SL_n(O_K)

Andy Putman, Rice.

MR13.

Wednesday 15 October 2014, 16:00-17:00

Number Theory Seminar

Modularity and the Fermat Equation over Real Quadratic Fields

Samir Siksek (University of Warwick).

MR13.

Tuesday 14 October 2014, 16:15-17:15

Number Theory Seminar

Cohen-Lenstra heuristic revisited

Alex Bartel (Warwick).

MR13.

Tuesday 03 June 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Knot Floer homologies

Andras Stipsicz, Budapest.

MR13.

Wednesday 28 May 2014, 16:00-17:00

Number Theory Seminar

Regularized theta lifts and currents on products of Shimura curves

Luis Garcia (Imperial).

MR13.

Tuesday 27 May 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Classifying 3-dimensional TQFTs via generators and relations.

Chris Schommer-Pries, MPI Bonn.

MR13.

Wednesday 21 May 2014, 16:00-17:00

Number Theory Seminar

Selmer groups of elliptic curves in degree p extensions

Julio Brau (Cambridge).

MR13.

Tuesday 20 May 2014, 16:15-17:15

Number Theory Seminar

Arthur-Selberg Trace Formula and Endoscopy

Jean-Pierre Labesse (Institut de Mathématiques de Luminy).

MR13.

Tuesday 20 May 2014, 14:30-15:30

Differential Geometry and Topology Seminar

Floer cohomology of the Chiang Lagrangian

Jonny Evans, UCL.

MR13.

Wednesday 14 May 2014, 16:00-17:00

Number Theory Seminar

Darmon points for number fields of mixed signature

Marc Masdeu (Warwick).

MR13.

Tuesday 13 May 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Commuting symplectomorphisms and Dehn twists in divisors

Dmitry Tonkonog, Cambridge.

MR13.

Wednesday 07 May 2014, 16:00-17:00

Number Theory Seminar

Automorphic forms mod p on the Z_p-extension of Q, a direct construction of base change, and Iwasawa theory

Laurent Clozel (Paris-Sud).

MR13.

Tuesday 06 May 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Free versus locally free Kleinian groups.

Juan Souto, Rennes.

MR13.

Wednesday 30 April 2014, 16:00-17:00

Number Theory Seminar

Theta lifts and evidence for paramodular conjecture

Tobias Berger (Sheffield).

MR13.

Tuesday 29 April 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Mirror symmetry without localization.

Tom Coates, Imperial College.

MR13.

Wednesday 23 April 2014, 16:00-17:00

Differential Geometry and Topology Seminar

Gauge theory on G2–manifolds

Note atypical time

Thomas Walpuski, Imperial College.

MR13.

Wednesday 12 March 2014, 15:45-16:45

Number Theory Seminar

Effective proof of the theorem of André on the complex multiplication points on curves

Yuri Bilu (Bordeaux).

MR13.

Tuesday 11 March 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Hyperbolic inverse problems on a Riemannian manifold

Lauri Oksanen, UCL.

MR13.

Wednesday 05 March 2014, 16:00-17:00

Number Theory Seminar

A non-abelian Kummer congruence for L-functions of CM elliptic curves

Dohyeong Kim.

MR13.

Tuesday 04 March 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Maps between mapping class groups and their subgroups

Martin Bridson, Oxford.

MR13.

Wednesday 26 February 2014, 16:00-17:00

Number Theory Seminar

Quadratic twists of elliptic curves

John Coates (Cambridge).

MR13.

Tuesday 25 February 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Symplectic magnetic fields on the two-sphere

Gabriele Benedetti, Cambridge.

MR13.

Wednesday 19 February 2014, 16:00-17:00

Number Theory Seminar

Completely faithful Selmer groups over GL(2)-extensions

Gergely Zábrádi (Eötvös Loránd University).

MR13.

Tuesday 18 February 2014, 16:15-17:15

Differential Geometry and Topology Seminar

The virtual fibring theorem for 3-manifolds

Stefan Friedl, Regensburg.

MR13.

Wednesday 12 February 2014, 16:00-17:00

Number Theory Seminar

Height of units and the cyclotomic Z_p-extension of Q

Takayuki Morisawa (Keio University).

MR13.

Tuesday 11 February 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Chaotic properties of locally Hamiltonian flows on surfaces and their extensions

Corinna Ulcigrai, Bristol.

MR13.

Wednesday 05 February 2014, 16:00-17:00

Number Theory Seminar

Coleman integrals, p-adic heights, and integral points on hyperelliptic curves

Jennifer Balakrishnan (Oxford).

MR13.

Tuesday 04 February 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Circle invariant definite connection and symplectic Fano six-manifolds

Joel Fine, Bruxelles.

MR13.

Wednesday 29 January 2014, 16:00-17:00

Number Theory Seminar

p-adic Hodge theory in rigid analytic families

Rebecca Bellovin (Imperial College London).

MR13.

Tuesday 28 January 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Uniqueness of the contact structure approximating a foliation

Thomas Vogel, MPI Bonn.

MR13.

Wednesday 22 January 2014, 16:00-17:00

Number Theory Seminar

Unlikely intersections in Shimura varieties and abelian varieties

Martin Orr (UCL).

MR13.

Tuesday 21 January 2014, 16:15-17:15

Differential Geometry and Topology Seminar

Lagrangian tori in four-dimensional Milnor fibres

Ailsa Keating, MIT.

MR13.

Wednesday 15 January 2014, 16:00-17:00

Number Theory Seminar

E_6 and the arithmetic of some non-hyperelliptic curves

Jack Thorne (Harvard).

MR13.

Wednesday 18 December 2013, 16:00-17:00

Number Theory Seminar

The arithmetic of hyperelliptic curves

Benedict Gross (Harvard).

MR13.

Wednesday 18 December 2013, 14:30-15:30

Differential Geometry and Topology Seminar

Equivariant Lagrangian branes and representations

Yankl Lekili, KCL.

MR13.

Wednesday 04 December 2013, 16:00-17:00

Number Theory Seminar

The number of conics in a family which contain a rational point

Daniel Loughran (Bristol).

MR13.

Tuesday 03 December 2013, 16:15-17:15

Differential Geometry and Topology Seminar

Knot contact homology and topological strings

Tobias Ekholm, Uppsala.

MR13.

Wednesday 27 November 2013, 16:00-17:00

Number Theory Seminar

G-valued flat deformations and local models

Brandon Levin (IAS, Princeton).

MR13.

Tuesday 26 November 2013, 16:15-17:15

Differential Geometry and Topology Seminar

An analogue of the curve complex for a right-angled Artin group.

Henry Wilton, UCL.

MR13.

Wednesday 20 November 2013, 16:00-17:00

Number Theory Seminar

A Deuring criterion for abelian varieties

Chris Blake (Cambridge).

MR13.

Tuesday 19 November 2013, 16:15-17:15

Differential Geometry and Topology Seminar

Homology of curves and surfaces in closed hyperbolic 3-manifolds

Vlad Markovic, Cambridge.

MR13.

Wednesday 13 November 2013, 14:15-15:15

Number Theory Seminar

Euler systems for modular forms

Sarah Zerbes (UCL).

MR13.

Tuesday 12 November 2013, 16:15-17:15

Differential Geometry and Topology Seminar

J-holomorphic foliations and embeddings of polydisks

Sam Lisi, Nantes.

MR13.

Wednesday 06 November 2013, 16:00-17:00

Number Theory Seminar

Sharp bounds for moments of the Riemann zeta function

Adam Harper (Cambridge).

MR13.

Tuesday 05 November 2013, 16:15-17:15

Differential Geometry and Topology Seminar

Simplicial volume and bounded cohomology

Michelle Bucher-Karlsson, Geneva.

MR13.

Wednesday 30 October 2013, 16:00-17:00

Number Theory Seminar

The integral Bernstein center for GL(n)

David Helm (Imperial).

MR13.

Tuesday 29 October 2013, 16:15-17:15