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Algebraic Geometry Seminar
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The algebraic geometry seminar meets at 2.15pm on Wednesdays. Organizers: C Birkar, J Ross, M Gross Algebraic Geometry talks may also be listed on the DPMMS web server If you have a question about this list, please contact: Andrew Aitchison; Caucher Birkar; Mark Gross; Tyler Kelly; Roberto Svaldi; Dhruv Ranganathan. If you have a question about a specific talk, click on that talk to find its organiser. 3 upcoming talks and 280 talks in the archive. Quantum uniformisation and Calabi-Yau algebrasMarta Mazzocco (Birmingham). Wednesday 13 March 2019, 14:15-15:15 Measures on graphs and a Kazhdan’s theoremFarbod Shokrieh, University of Copenhagen. Wednesday 06 March 2019, 14:15-15:15 Derived categories of cubic fourfolds and non-commutative K3 surfacesEmanuele Macri (Northeastern). Wednesday 27 February 2019, 14:15-15:15 (e,d)-log canonical singularitiesJoaquin Moraga, University of Utah. Wednesday 20 February 2019, 14:15-15:15 Smoothing toroidal crossing varietiesHelge Ruddat, Hamburg. Wednesday 13 February 2019, 14:15-15:15 (COW) Standard Models of Low Degree del Pezzo Fibrations via GIT for Hilbert PointsMaksym Fedorchuk, Boston College. Thursday 07 February 2019, 17:00-18:00 (COW) Tree Compactifications of the Moduli Space of Genus Zero CurvesDiane Maclagan, Warwick. Thursday 07 February 2019, 15:30-16:30 (COW) Open-Closed Duality is Mirror to the Double SuspensionMichel van Garrel, Warwick. Thursday 07 February 2019, 14:00-15:00 The stationary open Gromov-Witten theory of (CP^1,RP^1).Ran Tessler (Weizmann Institute). Wednesday 06 February 2019, 14:15-15:15 Complements on log canonical fano varietiesYanning Xu (Cambridge). Wednesday 30 January 2019, 14:15-15:15 The non-archimedean SYZ fibrationJohannes Nicaise, Imperial College. Wednesday 23 January 2019, 14:15-15:15 Hyperbolicity of moduli spaces and Hodge theoryYohan Brunebarbe, Université de Bordeaux. Wednesday 21 November 2018, 14:15-15:15 A class of singularity of arbitrary pairs and log canonicalizationsKenta Hashizume (Kyoto). Wednesday 14 November 2018, 14:15-15:15 A Ringel-Hall type construction of vertex algebrasDominic Joyce, Oxford. Wednesday 07 November 2018, 14:15-15:15 On Mori fibre spaces of dimension 4 and their automorphism groupEnrica Floris, Université de Poitiers. Wednesday 31 October 2018, 14:15-15:15 Distinguishing algebraic models for the open symplectic mapping toriBaris Kartal, MIT. Wednesday 24 October 2018, 14:15-15:15 Berkovich approach to degenerations of hyper-Kähler varietiesEnrica Mazzon, Imperial College. Wednesday 17 October 2018, 14:15-15:15 Curves, maps, and singularities in genus oneDhruv Ranganathan (MIT/Cambridge). Wednesday 10 October 2018, 14:15-15:15 Pseudolattices, del Pezzo surfaces, and fibrations over discs.Alan Thompson, Cambridge. Wednesday 30 May 2018, 14:15-15:15 A simple proof with effective bounds for the Kobayashi conjecture on generic hyperbolicity.Jean-Pierre Demailly (Grenoble). Wednesday 23 May 2018, 14:15-15:15 Birational boundedness of rationally connected Calabi--Yau 3-foldsJingjun Han (Peking). Wednesday 16 May 2018, 14:15-15:15 Examples of tropical-to-Lagrangian correspondenceGrigory Mikhalkin, University of Geneva. Wednesday 09 May 2018, 14:15-15:15 Vanishing theorems on globally F-regular varietiesShunsuke Takagi (Tokyo). Wednesday 02 May 2018, 14:15-15:15 Nonabelian Hodge Theory for klt varieties, the Miyaoka-Yau inequality and quasi-étale uniformisationStefan Kebekus (Freiburg). Wednesday 07 March 2018, 14:15-15:15 Nonvanishing and a canonical bundle formula in positive characteristicJakub Witaszek (Imperial College). Wednesday 28 February 2018, 14:15-15:15 Nef cones of Hilbert schemes of points via Bridgeland stabilityBarbara Bolognese (Sheffield). Wednesday 21 February 2018, 14:15-15:15 Codimension one foliations with trivial canonical classJorge Pereira (IMPA). Wednesday 07 February 2018, 14:15-15:15 Polarised endomorphisms on projective varietiesPaolo Cascini (Imperial College). Wednesday 31 January 2018, 15:00-16:00 Log schemes, root stacks and parabolic bundleNicolo Sibilla, University of Kent. Wednesday 24 January 2018, 14:15-15:15 On classification of terminal fano 3-foldsHamid Ahmadinezhad (Loughborough). Wednesday 29 November 2017, 14:15-15:15 PGL(2)-invariants of collections of torsion points of elliptic curvesFedor Bogomolov (Courant, NYU). Wednesday 22 November 2017, 14:15-15:15 Mirror symmetry for affine hypersurfacesBenjamin Gammage, Berkeley. Monday 23 October 2017, 14:15-15:15 Balanced embedding of degenerating Abelian varietiesYuguang Zhang, Imperial College. Wednesday 11 October 2017, 14:15-15:15 The Modularity/Automorphy of Calabi–Yau Varieties of CM typeNoriko Yui, Queens University.. Wednesday 31 May 2017, 14:15-15:15 Birational geometry of exceptional sets in Manin's conjectureSho Tanimoto (Copenhagen). Wednesday 24 May 2017, 14:15-15:15 Orbital degeneracy loci and applicationsSara Filippini (Cambridge). Wednesday 17 May 2017, 14:15-15:15 Igusa quartic and and Wiman-Edge sexticsIvan Cheltsov (Edinburgh). Wednesday 10 May 2017, 14:15-15:15 Enumerative Geometry via Homological Algebra(Note: Special Day and Seminar Room) David Favero (University of Alberta, KIAS). Monday 08 May 2017, 14:15-15:15 Differential forms and the abundance conjectureThomas Peternell (Bayreuth). Wednesday 15 March 2017, 14:15-15:15 A construction of Frobenius manifolds from stability conditionsJacopo Stoppa. Wednesday 08 March 2017, 14:15-15:15 Log birational boundedness of Calabi-Yau pairsRoberto Svaldi (Cambridge/Trieste). Wednesday 01 March 2017, 14:15-15:15 Quantum representations and higher-rank Prym varieties.Johan Martens (Edinburgh). Wednesday 22 February 2017, 14:15-15:15 Restricted volumes in Kahler geometryTristin Collins (Harvard). Wednesday 15 February 2017, 14:15-15:15 On the number of minimal models of a smooth variety of general typeDiletta Martinelli (Edinburgh). Wednesday 08 February 2017, 14:15-15:15 On the moduli space of log K-polystable pairs formed by a hypersurface and a hyperplane section.Jesus Martinez-Garcia (Max Planck). Wednesday 01 February 2017, 14:15-15:15 On the Chow ring of holomorphic symplectic varietiesCharles Vial (Cambridge). Wednesday 18 January 2017, 14:15-15:15 Moduli spaces of holomorphic differentialsRahul Pandharipande. Friday 02 December 2016, 16:00-17:00 Newton-Okounkov bodies and asymptotic invariants of divisorsJinhyung Park (KIAS). Wednesday 23 November 2016, 14:15-15:15 Mirror symmetry for homogeneous varieties.Clelia Pech (Kent). Wednesday 16 November 2016, 14:15-15:15 Intersection theory on the moduli spaces of r-spin discsRan Tessler (ETH). Wednesday 02 November 2016, 14:15-15:15 Boundedness properties of linear systems and Fano varietiesCaucher Birkar (Cambridge). Wednesday 26 October 2016, 14:15-15:15 Around the Kronecker - Gromov-Witten correspondencePierrick Bousseau (Imperial College). Wednesday 19 October 2016, 14:15-15:15 Derived categories of canonical covers of bielliptic and Enriques surfaces in positive characteristicKatrina Honigs (University of Utah). Wednesday 12 October 2016, 14:15-15:15 Cohomological properties of non-Kahler manifoldsDaniele Angella (Universita degli Studi di Firenze). Wednesday 25 May 2016, 11:00-12:00 Poisson structures on Fano manifoldsBrent Pym (University of Oxford). Wednesday 18 May 2016, 14:15-15:15 Compactifications and kernelsMatthew Ballard (University of South Carolina). Wednesday 11 May 2016, 14:15-15:15 Automorphism groups of positive entropy of normal projective varietiesDe-Qi Zhang (Singapore). Wednesday 04 May 2016, 14:15-15:15 Generalised braid categoryTimothy Logvinenko, University of Cardiff. Wednesday 27 April 2016, 14:15-15:15 COW: Cutting and pasting in algebraic geometryRavi Vakil (Stanford). Thursday 21 April 2016, 14:15-15:15 COW: Surfaces with exceptional monodromy.Genival da Silva (Washington University, St Louis). Thursday 21 April 2016, 11:30-12:30 A tropical descendent Landau-Ginzburg potential for P2Peter Overholser, Imperial College. Wednesday 09 March 2016, 14:15-15:15 Frobenius splittings on T-varieties.Hendrik Suess (Manchester). Wednesday 02 March 2016, 14:15-15:15 Sigma Models and Phase TransitionsEmily Clader (ETH Zurich). Wednesday 24 February 2016, 14:15-15:15 K3 categories of cubic fourfoldsDaniel Huybrechts, University of Bonn. Wednesday 17 February 2016, 14:15-15:15 What is ... the universal theta divisor?Nicola Pagani (Liverpool). Wednesday 10 February 2016, 14:15-15:15 The LMMP for log canonical 3-folds in char pJoe Waldron (Cambridge). Wednesday 03 February 2016, 14:15-15:15 Behavior of canonical divisors under purely inseparable base changeHiromu Tanaka (Imperial College). Wednesday 27 January 2016, 14:15-15:15 Algebraic structures, Chern numbers and Minimal Model ProgramLuca Tasin (Bonn). Wednesday 20 January 2016, 14:15-15:15 Moduli of Gorenstein Q-homology fake projective planesMatthias Schuett (Leibniz University). Wednesday 02 December 2015, 14:15-15:15 Weak positivity theorem and Frobenius stable canonical rings of geometric generic fibersSho Ejiri (Tokyo). Monday 23 November 2015, 16:30-17:30 Rational points on log Fano threefolds over a finite fieldYoshinori Gongyo (Tokyo). Monday 23 November 2015, 13:30-14:30 Geometry and large N limits in Quantum Hall effect.Semyon Klevtsov (Cologne). Wednesday 18 November 2015, 14:15-15:15 A geometric characterization of toric varietiesRoberto Svaldi (Cambridge). Wednesday 11 November 2015, 14:15-15:15 Mori fibre spaces for $3$-folds in positive characteristicJoe Waldron (Cambridge). Wednesday 28 October 2015, 14:15-15:15 Non-reductive automorphism groups, the Loewy filtration and K-stabilityGiulio Codogni (Rome Tre). Wednesday 21 October 2015, 14:15-15:15 Exceptional collections, and the Neron-Severi lattice for surfacesCharles Vial (Cambridge). Wednesday 14 October 2015, 14:15-15:15 The hybrid Landau--Ginzburg models of Calabi--Yau complete intersectionsAlessandro Chiodo, Jussieu. Wednesday 03 June 2015, 14:15-15:15 Mirror Symmetry for Grassmannians.Konstanze Rietsch, King's College, London. Wednesday 27 May 2015, 14:15-15:15 Symplectic cohomology in the topological limitDaniel Pomerleano. Wednesday 20 May 2015, 14:15-15:15 Smoothing properties of the Kaehler-Ricci flowEleonora di Nezza (Imperial College). Wednesday 13 May 2015, 14:15-15:15 Triangulated surfaces in triangulated categoriesTobias Dyckerhoff (Bonn). Wednesday 11 March 2015, 14:15-15:15 Poles of maximal order of Igusa zeta functionsJohannes Nicaise, University of Leuven. Wednesday 04 March 2015, 14:15-15:15 Free curves on varietiesFrank Gounelas (Humboldt University of Berlin) . Monday 23 February 2015, 15:00-16:00 Genus 0 correspondence theorem for relative Gromov-Witten invariants of P^1Hannah Markwig, University of Saarbrucken. Wednesday 18 February 2015, 14:15-15:15 The Sarkisov program for Mori fibered lc Calabi--Yau pairs.Anne-Sophie Kaloghiros (Brunel). Wednesday 11 February 2015, 14:15-15:15 Decomposition of D-module categories and modified Hyper-Kahler Kirwan surjectivityKevin McGerty (Oxford). Wednesday 04 February 2015, 14:15-15:15 Homological projective dualityRichard Thomas (Imperial College). Wednesday 28 January 2015, 14:15-15:15 Mirror symmetry without localisationChristina Manolache, (Imperial College). Wednesday 21 January 2015, 14:15-15:15 Versions of injectivity and extension theoremsYoshinori Gongyo (Imperial College/Tokyo). Wednesday 03 December 2014, 14:15-15:15 Canonical Coordinates from Tropical CurvesHelge Ruddat, University of Mainz. Wednesday 26 November 2014, 14:15-15:15 KLT spaces with vanishing first Chern class, local fundamental groups, and flat sheavesStefan Kebekus (Freiburg). Wednesday 19 November 2014, 14:15-15:15 Stability conditions from a large class of quadratic differentialsFabian Haiden, University of Vienna. Wednesday 12 November 2014, 14:15-15:15 Compact moduli spaces of Fano varieties and existence of singular Kahler-Einstein metricsCristiano Spotti (Cambridge). Wednesday 05 November 2014, 14:15-15:15 Contractibility of spaces of stability conditionsJonathan Woolf (Liverpool). Wednesday 29 October 2014, 14:15-15:15 Pluricanonical linear systems on varietiesCaucher Birkar (Cambridge). Wednesday 22 October 2014, 14:15-15:15 Equivalences of Mirror ConstructionsTyler Kelly, DPMMS, Cambridge. Wednesday 15 October 2014, 14:15-15:15 Bounded groups of birational automorphismsCostya Shramov (Steklov). Wednesday 11 June 2014, 15:00-16:00 Metrics with conic singularities and applicationsMihai Paun (KIAS). Wednesday 11 June 2014, 13:30-14:30 A canonical global positioning system for Calabi Yau manifoldsSean Keel (University of Texas Austin). Wednesday 04 June 2014, 14:15-15:15 Derived categories, noncommutative motives and commutative theoremsMarcello Bernardara (Toulouse). Wednesday 28 May 2014, 14:15-15:15 On the Chow group and the motive of a commutative algebraic groupGiuseppe Ancona (Duisburg-Essen). Wednesday 21 May 2014, 14:15-15:15 Morita Cohomology, Loop Spaces and Homotopy Locally Constant SheavesJulian Holstein. Wednesday 14 May 2014, 14:15-15:15 Stability data, irregular connections and tropical curvesJacopo Stoppa (Pavia). Wednesday 07 May 2014, 14:15-15:15 On the Chow group and the motive of a commutative algebraic groupSpeaker to be confirmed. Tuesday 06 May 2014, 14:15-15:15 Moduli spaces of slope-semistable coherent sheaves.Matei Toma (Nancy). Wednesday 30 April 2014, 14:15-15:15 Newton Okounkov Bodies and Positivity of Line BundlesVictor Lozovanu (University of Milan-Bicocca). Wednesday 23 April 2014, 14:15-15:15 Effectivity questions in the Cremona groupNick Shepherd-Barron (Kings). Wednesday 05 March 2014, 14:15-15:15 Valuative characterization of multiplier idealsSebastien Boucksom (Jussieu). Wednesday 19 February 2014, 14:15-15:15 Local mirror symmetry via the Gross-Siebert programMark Gross (Cambridge). Wednesday 12 February 2014, 14:15-15:15 Special Kahler metrics on ruled manifoldsJulien Keller (Marseilles). Wednesday 05 February 2014, 14:15-15:15 Exponential maps in Kahler geometryDavid Witt Nystrom (University of Cambridge). Wednesday 04 December 2013, 14:15-15:15 Quantum cluster positivity and cohomological Donaldson-Thomas theoryBalazs Szendroi. Wednesday 27 November 2013, 14:15-15:15 Analytic geometry as relative algebraic geometryYakov Kremnitzer (Oxford). Wednesday 20 November 2013, 14:15-15:15 COW: Quasimap theory and Gromov-Witten theoryIonut Ciocan-Fontanine (Minnesota/Imperial). MR 4. Thursday 14 November 2013, 17:00-18:00 COW: Derived equivalences of K3 surfacesArend Bayer (Edinburgh). MR 4. Thursday 14 November 2013, 15:30-16:00 COW: The integral Hodge conjecture for 3-foldsBurt Totaro (Cambridge). MR 4. Thursday 14 November 2013, 14:00-15:00 The Slice Method for torsors of algebraic groupsMark MacDonald (Lancaster). Wednesday 13 November 2013, 14:15-15:15 Fourier transform on certain hyperkahler fourfoldsMingmin Shen (Cambridge). Wednesday 06 November 2013, 14:15-15:15 Base point freeness and singularities in the minimal model program in positive characteristicPaolo Cascini. Wednesday 30 October 2013, 14:15-15:15 The homology of Hilbert schemes of a locally planar curveJorgen Vold Rennemo (Imperial College). Wednesday 23 October 2013, 14:15-15:15 Fano manifolds of high index and the cone conjectureArtie Prendergast-Smith (Loughborough). Wednesday 16 October 2013, 14:15-15:15 Noncommutative deformations of curves and spherical twistsMichael Wemyss (Edinburgh). Wednesday 29 May 2013, 14:15-15:15 Title: Volume minimizers and (pseudo-)holomorphic cyclesClaudio Arezzo (ICTP). Wednesday 15 May 2013, 14:15-15:15 k-gonal loci in Severi varieties of curves on K3 surfaces and rational curves on hyperkahler manifoldsAndreas Knutsen (Bergen). Wednesday 01 May 2013, 14:15-15:15 Birational geometry of moduli of sheaves on K3s via wall-crossingArend Bayer (Edinburgh). Wednesday 24 April 2013, 14:15-15:15 Landau-Ginzburg models for Lagrangian GrassmanniansClelia Pech. Wednesday 13 March 2013, 14:15-15:15 Kähler-Einstein potential on simple polytopeÉveline Legendre (Toulouse). Wednesday 06 March 2013, 14:15-15:15 Modular Forms for Genus ThreeGerard van der Geer (Amsterdam). Wednesday 20 February 2013, 14:15-15:15 Density of rational points on Del Pezzo surfaces of degree oneRonald van Luijk (Leiden). Wednesday 13 February 2013, 14:15-15:15 Index of varieties over Henselian fieldsHélène Esnault (Berlin). Wednesday 06 February 2013, 14:15-15:15 Satake compactifications and the Schottky problemGiulio Codogni (Cambridge). Wednesday 30 January 2013, 14:15-15:15 Group actions on schemes and homotopy typesAmbrus Pál (Imperial College). Wednesday 23 January 2013, 14:15-15:15 On Siu's Approach to Abundance ConjectureThomas Eckl (Liverpool). Wednesday 16 January 2013, 14:15-15:15 On varieties of globally F-regular typeYoshinori Gongyo (Imperial college and Tokyo). Wednesday 28 November 2012, 14:15-15:15 On the Chow group of zero-cycles on K3 surfacesClaire Voisin (Ecole polytechnique). Wednesday 14 November 2012, 14:15-15:15 On the moduli part in the canonical bundle formulaEnrica Floris (Strasbourg). Wednesday 07 November 2012, 14:15-15:15 Valuation Theory and Extensions of Pluri-canonical SectionsZhengyu Hu (Cambridge). Wednesday 31 October 2012, 14:15-15:15 Anticanonical divisors and curve classes on Fano manifoldsAndreas Hoering (Jussieu). Wednesday 17 October 2012, 14:15-15:15 Kahlerian K3 surfaces and Niemeier latticesViacheslav Nikulin (Liverpool). Wednesday 03 October 2012, 14:15-15:15 A conjecture of Colliot-Thelene in the case of the exceptional groupsIvan Panin (St Petersburg). Wednesday 30 May 2012, 14:15-15:15 Filtrations and test-configurationsGabor Szekelyhidi (Notre Dame). Wednesday 16 May 2012, 14:15-15:15 Slope of moduli spaces of principally polarized abelian varietiesRiccardo Salvati Manni (Rome). Wednesday 07 March 2012, 14:15-15:15 Rational curves on Calabi-Yau threefolds with special divisors.Simone Diverio (Paris VI). Wednesday 22 February 2012, 14:15-15:15 Fourier-Mukai transforms and applicationsDaniel Hernández Ruipérez (Salamanca). Wednesday 15 February 2012, 14:15-15:15 The absence of stable Schottky relationsNick Shepherd-Barron (Cambridge). Wednesday 01 February 2012, 14:15-15:15 Semiregularity via derived deformation theoryJon Pridham (Cambridge). Wednesday 25 January 2012, 14:15-15:15 Towards mirror symmetry for varieties of general typeHelge Ruddat (Mainz). Wednesday 18 January 2012, 14:15-15:15 Okounkov bodies, moment maps and geodesics of Kahler metricsJulius Ross (Cambridge). Wednesday 30 November 2011, 14:15-15:15 A tropical approach to effective conesDiane Maclagan (Warwick). Wednesday 23 November 2011, 14:15-15:15 Profinite completions, curvature, and decision problemsMartin Bridson (Oxford). Wednesday 16 November 2011, 14:15-15:15 Symmetric differentials and the fundamental groupBruno Klingler (Paris). Monday 14 November 2011, 15:00-16:00 Koszul complexes and pole order filtrations for projective hypersurfacesAlex Dimca (Nice). Wednesday 09 November 2011, 14:15-15:15 The homotopy fixed point theorem in algebraic K-theoryMarco Schlichting (Warwick). Wednesday 02 November 2011, 14:15-15:15 Kahler orbifolds with positive curvatureSong Sun (Imperial). Wednesday 26 October 2011, 14:15-15:15 The Iitaka conjecture over abelian varietiesCaucher Birkar (Cambridge). Wednesday 12 October 2011, 15:00-16:00 A remark on the abundance conjectureYujiro Kawamata (Tokyo). Wednesday 12 October 2011, 13:45-14:45 Singular spaces with trivial canonical classDaniel Greb (Freiburg). Monday 10 October 2011, 15:00-16:00 Homological mirror symmetry for Calabi-Yau hypersurfaces in projective spaceNick Sheridan (MIT). Wednesday 05 October 2011, 14:15-15:15 Bundles of generalized theta functions on abelian surfacesDragos Oprea (San Diego). Wednesday 08 June 2011, 14:15-15:15 Moduli spaces of principal bundles on chains of projective linesMichael Thaddeus (Columbia). Wednesday 01 June 2011, 14:15-15:15 Numerical and linear equivalence of divisors in birational geometryAnne-Sophie Kaloghiros (Cambridge). Wednesday 25 May 2011, 14:15-15:15 Derived categories of K3 surfaces in positive characteristicMax Lieblich (Washington). Wednesday 04 May 2011, 14:30-15:30 Koszul cohomology and higher rank vector bundles on curvesGavril Farkas (Humboldt, Berlin). Isaac Newton Institute, Cambridge. Thursday 24 March 2011, 15:30-16:30 Prym varieties of triple coveringsAngela Ortega (Humboldt, Berlin). Isaac Newton Institute, Cambridge. Thursday 24 March 2011, 14:00-15:00 Birational classification of universal Jacobians over the moduli space of curvesGavril Farkas (Berlin). Wednesday 09 March 2011, 14:15-15:15 Moduli of local systems on Deligne-Mumford stacksCarlos Simpson (Nice). Isaac Newton Institute, Cambridge. Thursday 03 March 2011, 15:30-16:30 Moduli of abelian varieties with Iwahori level structureUlrich Goertz (Duisburg-Essen). Isaac Newton Institute, Cambridge. Thursday 03 March 2011, 14:00-15:00 On the three compactifications of Siegel spaceValery Alexeev (Georgia). Wednesday 02 March 2011, 14:15-15:15 Geometric Langlands and non-abelian Hodge theoryTony Pantev (Pennsylvania). Wednesday 23 February 2011, 14:15-15:15 Essential dimension of homogeneous formsAngelo Vistoli (Pisa). Wednesday 16 February 2011, 14:15-15:15 Geometric consequences of effective algebraic homotopyBrent Doran (Zurich). Wednesday 09 February 2011, 14:15-15:15 From quivers to hyperkahler manifolds: a construction of Gaiotto, Moore, and NeitzkeTom Bridgeland (Oxford). Wednesday 02 February 2011, 14:15-15:15 Irreducible rational curves in a K3 surfaceJun Li (Stanford). Wednesday 26 January 2011, 14:15-15:15 Refined curve counting on surfacesLothar Goettsche (ICTP, Trieste). Wednesday 19 January 2011, 14:15-15:15 The rigidity property for the chain complex of a torus in A1-homotopy theory, and the Friedlander-Milnor conjectureFabien Morel (Munich). Wednesday 01 December 2010, 14:15-15:15 Rational equivariant cohomology theories, Hasse squares, and rigidity of derived categoriesJohn Greenlees (Sheffield). Wednesday 24 November 2010, 14:15-15:15 Motivic degree zero Donaldson-Thomas invariantsKai Behrend (UBC). Wednesday 10 November 2010, 14:15-15:15 Complete intersections of quadricsNicolas Addington (Imperial). Wednesday 03 November 2010, 14:15-15:15 Extremal Laurent polynomials and Fano manifoldsAlessio Corti (Imperial). Wednesday 27 October 2010, 14:15-15:15 Foliations and rational curves in positive characteristicMingmin Shen (Cambridge). Wednesday 13 October 2010, 14:15-15:15 Rational curves on varieties with big (anti)-canonical bundleAmael Broustet (Lille). Wednesday 26 May 2010, 14:15-15:15 Mumford-Tate groups and the classification of Hodge structuresMatt Kerr (Durham). Wednesday 19 May 2010, 14:15-15:15 Torsion in the cohomology of fiber products of elliptic surfacesChad Schoen (Duke). Wednesday 12 May 2010, 14:15-15:15 Resolution algorithm in characteristic zero and its possible extension to positive characteristicCambridge COW meeting, talk #2 Jaroslaw Wlodarczyk (Purdue). Thursday 06 May 2010, 16:30-17:30 Tropical (p,q)-cyclesCambridge COW meeting, talk #1 Grigory Mikhalkin (Geneva). Thursday 06 May 2010, 14:30-15:30 Rationally isotropic quadratic spaces are locally isotropicIvan Panin (St Petersburg). Wednesday 05 May 2010, 14:15-15:15 Asymptotic curvature of moduli spaces for Calabi-Yau threefoldsP.M.H. Wilson (Cambridge). Wednesday 28 April 2010, 14:15-15:15 Symplectic manifolds of Fano and Calabi-Yau typeDmitri Panov (Imperial College). Wednesday 10 March 2010, 14:30-15:30 Remarks on the Lefschetz standard conjecture for hyperkahler varietiesFrancois Charles (Paris). Wednesday 03 March 2010, 14:15-15:15 Curves on K3 surfaces and modular formsRichard Thomas (Imperial). Wednesday 17 February 2010, 14:15-15:15 Geometric invariant theory for non-reductive group actions, moment maps and jet differentialsFrances Kirwan (Oxford). Wednesday 10 February 2010, 14:15-15:15 Some higher-rank sheaves on Calabi-Yau 3-folds and Gromov-Witten invariantsJacopo Stoppa (Cambridge). Wednesday 27 January 2010, 14:15-15:15 On volumes along subvarieties of line bundles with nonnegative Iitaka dimensionGianluca Pacienza (Strasbourg). Wednesday 20 January 2010, 14:15-15:15 Weak Fano 3-folds and G_2 manifoldsMark Haskins (Imperial College). Wednesday 02 December 2009, 14:15-15:15 Virtual motives of Hilbert schemes of threefoldsBalázs Szendrői (Oxford). Wednesday 25 November 2009, 14:15-15:15 Holomorphic actions of Lattices on projective threefoldsSerge Cantat (Université de Rennes I). Wednesday 18 November 2009, 14:15-15:15 Witt groups of projective homogeneous varieties and Steenrod operationsBaptiste Calmès (Cambridge). Wednesday 11 November 2009, 14:15-15:15 Mirror symmetry, Langlands duality, and the Hitchin systemTamas Hausel (Oxford). Thursday 05 November 2009, 14:00-15:00 The valuation space of an isolated singularitySebastien Boucksom (CNRS-Universite Paris 7). Wednesday 04 November 2009, 14:15-15:15 Jumping of the nef cone for Fano varietiesBurt Totaro (Cambridge). Wednesday 28 October 2009, 14:15-15:15 On the Castelnuovo-Mumford Regularity of Rings of Polynomial InvariantsPeter Symonds (Manchester). Wednesday 21 October 2009, 14:15-15:15 Extension theorems for differential forms and applicationsStefan Kebekus (Freiburg). Wednesday 14 October 2009, 14:15-15:15 Smoothing of cusp singularities via mirror symmetryMark Gross (UCSD). Wednesday 01 July 2009, 14:15-15:15 Abel-Jacobi isomorphism for one-cycles on the moduli space of vector bundles on a curveJaya Iyer (Hyderabad). Wednesday 03 June 2009, 14:15-15:15 Chow groups and derived categories of K3 surfacesDaniel Huybrechts (Bonn). Wednesday 20 May 2009, 14:15-15:15 p-adic Hodge theory for open varieties.Go YAMASHITA (RIMS, Kyoto). Wednesday 13 May 2009, 14:15-15:15 Mirror symmetry for P^2 and tropical geometryMark Gross (UC San Diego). Wednesday 29 April 2009, 14:15-15:15 Schubert Calculus on flag varieties and formal group lawsBaptiste Calmès (Cambridge). Wednesday 25 February 2009, 14:15-15:15 Mixed Hodge structures on homotopy groupsJon Pridham (Cambridge). Wednesday 26 November 2008, 14:15-15:15 Base manifolds for fibrations of projective holomorphic-symplectic manifoldsJun-Muk Hwang. Wednesday 19 November 2008, 14:15-15:15 Algebraic surfaces and hyperbolic geometryBurt Totaro (Cambridge). Wednesday 05 November 2008, 14:15-15:15 Ample subvarieties and a conjecture of HartshorneThomas Peternell (Bayreuth). Wednesday 29 October 2008, 14:15-15:15 Birationally rigid varietiesAleksandr Pukhlikov (Liverpool). Wednesday 22 October 2008, 14:15-15:15 Polygonal combinatorics for algebraic cyclesHerbert Gangl (Durham). Wednesday 15 October 2008, 14:15-15:15 Degree formula for connective K-theoryKirill Zainoulline (Munich). Friday 03 October 2008, 15:00-16:00 Algebraic cycles on threefolds fibered over a curve by surfaces with geometric genus zeroVladimir Guletskii (Liverpool). Wednesday 28 May 2008, 15:00-16:00 Singularity development in 3-dimensional Ricci flowJohn Morgan (Columbia). Wednesday 21 May 2008, 15:00-16:00 Special geometric orbifolds and birational classificationFrederic Campana (Nancy). Wednesday 07 May 2008, 15:00-16:00 A mirror-symmetric approach to Kostant's quantum Toda latticeKonstanze Riestch (KCL). Wednesday 30 April 2008, 15:00-16:00 Tropical geometry and mirror symmetry for hypersurfaces in toric varietiesMohammed Abouzaid (MIT). Wednesday 12 March 2008, 15:00-16:00 Slicing cobordism theory via n-categories (of d-manifolds)Ulrike Tillmann (Oxford). Wednesday 27 February 2008, 15:00-16:00 Rationally connected threefolds and symplectic geometryClaire Voisin (IHES). Wednesday 06 February 2008, 17:00-18:00 Shioda cycles in families of surfacesJohan de Jong (Columbia). Wednesday 06 February 2008, 15:00-16:00 Symplectic topology of Mañe's critical valueGabriel Paternain (Cambridge). Wednesday 30 January 2008, 15:00-16:00 Derived categories of complex-analytic manifolds and super-connectionsAlexey Bondal (Aberdeen). Wednesday 23 January 2008, 15:00-16:00 Floer cohomology of Lagrangian spheres in symplectic manifolds with vanishing first Chern classJean-Yves Welschinger (Lyon). Wednesday 28 November 2007, 17:00-18:00 G_2 manifolds with conical singularitiesSpiro Karigiannis (Oxford). Wednesday 28 November 2007, 15:00-16:00 Monotone Lagrangian tori in C^n and CP^nFelix Schlenk (Brussels). Wednesday 21 November 2007, 15:00-16:00 Birational automorphisms, log canonical thresholds and Kahler-Einstein metricsIvan Cheltsov (Edinburgh). Wednesday 14 November 2007, 15:00-16:00 Derived equivalences of K3 surfaces and orientation of cohomologyDaniel Huybrechts (Bonn). Wednesday 07 November 2007, 15:00-16:00 Lens space surgeries and L-space homology spheresJake Rasmussen (Cambridge). Wednesday 31 October 2007, 17:00-18:00 Regulators of canonical extensionsCarlos Simpson (Nice). MR13. Wednesday 31 October 2007, 15:00-16:00 Please see above for contact details for this list. |
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