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Geometric Group Theory (GGT) Seminar
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This seminar series covers topics related to Geometric Group Theory. We usually meet on Friday, 13:45-15:00. If you have a question about this list, please contact: HoD Secretary, DPMMS; Macarena Arenas; Henry Wilton; Francesco Fournier-Facio. If you have a question about a specific talk, click on that talk to find its organiser. 6 upcoming talks and 156 talks in the archive. The strong Atiyah conjecture for graph of groups via universal localizations.
Vanishing results in the homology of big mapping class groups and Thompson-like groups
On the congruence subgroup property for mapping class groups of surfaces
Cannon-Thurston maps for the Morse boundary
Amenable open covers and simplicial volume of manifolds with boundary
Subgroups and diversity of left-orderable small cancellation groups
Two-generator subgroups of free-by-cyclic groups
Subgroup Tests and the Aldous-Lyons conjectureJoint seminar: GGT - Discrete Analysis - Combinatorics - Quantum Computing - Algorithms and complexity
On subgroups of right-angled Artin groups
Locally compact groups with varying finiteness length
Prosoluble subgroups of the profinite completion of 3-manifold groups
Recent progress towards the Putman-Wieland conjecture
"Almost" Representations and Group Stability
Hilbert-Schmidt stability, character theory and approximation properties of groups
Realizing finite subgroups of outer automorphism groups of RAAGs
The weight of groups and complexity of surface maps
Group rings and hyperbolic geometryJoint GGT - DGT talk
Virtual fibration and incoherence of trivalent triangle groups
First-order logic and acylindrically hyperbolic groups
A quasi-isometrically diverse class of bi-orderable solvable and residually finite groups via Taut Dehn spectra
Generating RAAGs in 1-relator groups
Invariants of groups acting on buildings
Isomorphism Problems for Artin groups
Recognisably context-free subsets of groups
Asymptotically CAT(0) metrics and applications
Approximating hyperbolic lattices by cubulations
Dyer groups: Coxter groups, right-angled Artin groups and more
Free-by-cyclic groups and deficiency
Profinite Recognition of Amalgamated Factors
The space of traces of certain discrete groupsNote special date and venue
3-Manifold Groups Acting Acylindrically on Trees
Drilling Hyperbolic Groups
Sausages and Butcher PaperNote unusual day/time
Symmetries of the free-factor complex and commensurator rigidity
Coarse embeddings, and yet more ways to avoid them
On profinite properties of free-by-cyclic groups
Subgroups of hyperbolic groups, finiteness properties and complex hyperbolic lattices
Growth and subgroups of Out(F_n).
Stable commutator length in free and surface groups
The profinite and pro-p genus of free and surface groups.
Do moduli spaces of surfaces exist? and the mapping class group.
The rates of growth in a hyperbolic group
Computing high-dimensional group cohomology via duality
Amenable open covers of right-angled Artin groups
Hierarchically hyperbolic groups: an introduction
Detecting free factors in profinite completions
Braiding Groups of Homeomorphisms of the Cantor Set
Duality groups and Cohen-Macaulay spaces
Discrete group actions on 3-manifolds and embeddable Cayley complexes.
Computing bounded cohomology of discrete groups
Quantifying lawlessness in finitely generated groups
Profinitely Rigid Seifert Fibered Spaces and Grothendieck’s Problem
Codimension-1 subgroups of hyperbolic groups with spherical boundary
Laudenbach’s sequence for mapping class groups of connect sums of S^2 x S^1
A cubical Rips Construction
Whitehead's algorithm for free groups and the free factor complex
Euler characteristics for complexes of graphs
The isomorphism problem for Artin groups.
Equations in periodic groups
Hyperplanes all over the place
Title to be confirmed
A Deligne complex for Artin monoids
Fixed points of group homomorphisms and the Post Correspondence Problem
Groups acting properly on (products of) hyperbolic graphs
Character varieties of random groups
Parabolic subgroups of two-dimensional Artin groups and systolic-by-function complexes
When does a one-relator group have a quasi-convex hierarchy?
Hyperplanes all over the place
The taut spectrum and the Eilenberg-Ganea problem
Combinatorics via Closed Orbits: Vertex Expansion and Graph Quantum Ergodicity
Geometric approximate group theory
Quasi-trees and product set growth
All finitely generated 3-manifold groups are Grothendieck rigid
About higher graph manifolds
Algebraically hyperbolic groups
Virtually unipotent elements of 3-manifold groups
The compressed word problem in relatively hyperbolic groups
Rank gradient, cost, and simplicial volume
Super-expanders
Kaplansky's conjectures
Some elementary correspondence in group theory (with applications to algebra/geometry)
An algebraic approach to residually nilpotency
Curve Graphs and Surface Diffeomorphism Groups
Cubulating groups acting on polygonal complexes
Stable commutator length on RAAGs
Understanding wreath products and invariable generation
Linear isoperimetric functions for surfaces in hyperbolic groups
New examples of groups of intermediate growth
Random 3-manifolds with boundary
Topological completions of quasi-actions and discretisable spaces
Accessibility of partially acylindrical actions
Quasi-isometric rigidity of graphs of free groups with cyclic edge groups
Coherence of random groups
Amenable groups and Noetherian group rings
Polynomial-time proofs that groups are hyperbolic
Counting incompressible surfaces in 3-manifolds
Ramanujan cubical complexes and non-residually finite groups in dimensions three and higher
Approximate lattices in amenable groups
Incoherence and virtual fibering of free-by-free groups.
Three dichotomies for connected unimodular Lie groups.
Contractibility of acyclic 2-complexes
Approximate actions and Ulam stability
Scl gaps in graph of groups and 3-manifolds
Quantifying local embeddings into finite groups
2,870,522 curves: Experimental evidence for Mirzakhani's Theorem
Separability of nilpotent and solvable groups
Hyperbolic features of two-dimensional Artin groups
Random groups with fixed relator lengths
Structure of nilpotent approximate groups and applications
Conjugacy Growth of Finitely Generated Groups
Group actions on quasi-median graphs and acylindrical hyperbolicity
Profinite rigidity and hyperbolic triangle groups
Coxeter groups, quiver mutations and hyperbolic manifolds
Random triangular Burnside groups
Residual properties of graphs of p-groups
Geometric results on linear actions of reductive Lie groups for applications to homogeneous dynamics
Homotopy type of the free factor complex
Arithmetic and Dynamics on Markoff-Hurwitz Varieties
Joint spectral radius and joint spectrum
Alternating quotients of right-angled Artin groups
First order rigidity of higher rank arithmetic lattices (note the nonstandard day)
Negative immersions for one-relator groups
A group-theoretic question arising in Typed set theory
Kirillov's orbit method and polynomiality of the faithful dimension of $p$-groups
Commuting probability in infinite groups
A Conjecture from 1986 about splittings of groups: its statement, potential generalizations, and Martin Dunwoody's proof
(Leverhulme Lecture) Higher Teichmueller Theory: Geometric, Arithmetic, and non-Archimedean Aspects. Part 2 — On maximal representations
Geometry of finite quotients of groupsNote unusual time, day and venue.
On l^2-Betti numbers and their analogues in positive characteristic
Weak forms of amenability
Surface subgroups of graphs of free groups (part 2 of 2)
Surface subgroups of graphs of free groups (part 1 of 2)
Commensurability of right-angled Artin groups
Girth of random Cayley graphs
Triangles of groups, property (T), expanders and special quotients
Automorphisms of free and surface groups and their fixed points
Commensuration index growth
Correspondences between harmonic functions and algebraic properties of groups.
Embedding theorems, torsion, and quotients for groups.
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Alice Kerr, Bristol.
Friday 14 March 2025, 13:45-14:45