Geometric Group Theory Seminar
Summer Semester 2023
Mondays, 16:15 in SRZ 216/217
Organizer: Giles Gardam
Date | Speaker | Title |
8.5.2023 | Claudio Llosa Isenrich (Karlsruhe) |
Finiteness properties, subgroups of hyperbolic groups and complex hyperbolic lattices |
15.5.2023 | Agatha Atkarskaya (Hebrew University of Jerusalem) | Small Cancellation theory for groups and rings |
22.5.2023 | Martina Conte (Düsseldorf) | Finite axiomatizability of the rank and the dimension of a pro-π group |
12.6.2023 | Zachary Munro (McGill) via zoom | Richly Branching Flats and Tubular Groups |
19.6.2023 | Mark Pengitore (Unviersity of Virginia) | Characteristic quotients of surface groups and residual finiteness of mapping class groups |
Winter Semester 2022/2023
Mondays, 16:15 in SRZ 216/217
Organizer: Tim de Laat
Date | Speaker | Title |
17.10.2022 | Jeroen Winkel | Property (T) for bornological groups |
31.10.2022 | Romain Tessera (Paris) | Quantitative orbit equivalence |
14.11.2022 | Sam Fairchild (Osnabrück) | Counting pairs in discrete lattice orbits |
28.11.2022 | No seminar | Group Actions: Dynamics, Measure, Topology |
12.12.2022 | Tim de Laat | Actions of higher-rank Lie groups and lattices on uniformly convex Banach spaces |
16.01.2023 | Jonathan Fruchter (Oxford) | Virtual homology and profinite rigidity |
23.01.2023 | Tom Ferragut (Montpellier) | Rigidity of quasi-isometries and geometry of horospherical products. |
Summer Semester 2022
Thursdays, 3-4pm in SRZ 216/217
Organizers: Sahana Balasubramanya and Federico Vigolo
Date | Speaker | Title |
7.4.2022 | Carlos de la Cruz Mengual (Weizmann Institute) | Computing bounded cohomology via stabilization techniques |
14.4.2022 | Dawid Kielak (Oxford) | Profinite recognition of fibring |
21.4.2022 | Rachel Skipper (Ohio State) | Braiding Groups of Homeomorphisms of the Cantor Set |
28.4.2022 | Amandine Escalier (Münster) | Building prescribed quantitative orbit equivalence |
5.5.2022 | Thomas Ng (Technion) | Residually finite quotients of free products via relative cubulation |
12.5.2022 | Jacob Russel (Rice University) | Purely pseudo-Anosov subgroups of fibered 3-manifold groups |
2.6.2022 | Xabier Legaspi (ICMAT) | Constricting elements and the growth of quasi-convex subgroups |
23.6.2022 | Yannick Krifka (MPI Bonn) | Volume bounds for the canonical lift complement of a random geodesic |
30.6.2022 | John Nicholson (Imperial) | tba |
Winter Semester 2021/2022
Thursdays, 3-4pm in SRZ 216/217
Organizers: Giles Gardam and Maria Gerasimova
Date | Speaker | Title |
14.10.2021 | Annette Karrer (Technion) | The rigidity of lattices in products of trees |
28.10.2021 | Giles Gardam (Münster) | Kaplansky's conjectures |
11.11.2021 | Ursula Hamenstädt (Bonn) | A geometric boundary for the mapping class group |
18.11.2021 | Xiaolei Wu (Shanghai Center for Mathematical Sciences) via zoom | Finiteness properties of asymptotic mapping class groups |
25.11.2021 | Simon André (Münster) | Hyperbolic groups and elementary equivalence |
2.12.2021 | Sahana Balasubramanya (Münster) | Actions of solvable groups on hyperbolic spaces |
9.12.2021 | Martin Nitsche (Karlsruhe) | Computer proofs for property (T), and SDP duality |
16.12.2021 | Maria Gerasimova (Münster) | Virtually free groups are Hilbert-Schmidt stable |
13.1.2022 | Vadim Alekseev (TU Dresden) | Geometry of sofic approximations |
20.1.2022 | Tim de Laat (Münster) | Origami expanders |
27.1.2022 | Maxime Gheysens (TU Freiberg) | Half free, half direct |