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University of Warwick

Audience: Researchers in the topic
Seminar series time: Thursday 13:05-14:00 in your time zone, UTC
Organizers: Saul Schleimer*, Robert Kropholler*
*contact for this listing

You can also find up-to-date information on the seminar homepage -

The talks start five minutes after the hour. Talks are typically 55 minutes long, including time for questions.

Upcoming talks
Past talks
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ThuMay 0913:05Rohini RamadasTBA
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ThuApr 2513:05Nikolai ProchorovThurston theory for critically fixed branched covering maps
ThuMar 1414:05Davide SprianoUniquely geodesic groups
ThuMar 0714:05Marco LintonThe coherence of one-relator groups
ThuFeb 2914:05Joeseph MacManusGroups quasi-isometric to planar graphs
ThuFeb 0114:05Samuel ShepherdOne-ended halfspaces in group splittings
ThuJan 2514:05Francesco Fournier-FacioInfinite simple characteristic quotients
ThuJan 1814:05Ian LearyResidual finiteness of generalized Bestvina-Brady groups
ThuJan 1114:05Richard WadeQuasi-flats in the Aut free factor complex
ThuDec 0714:05Sam HughesCentralisers and classifying spaces for $\mathrm{Out}(F_N)$
ThuNov 3014:05Cameron Gates RuddStretch laminations and hyperbolic Dehn surgery
ThuNov 2314:05Jeffrey GiansiracusaTopology of the matroid Grassmannian
ThuNov 1614:05Rob KrophollerThe landscape of Dehn functions
ThuNov 0914:05Monika KudlinskaSubgroup separability in 3-manifold and free-by-cyclic groups
ThuNov 0214:05Adele JacksonAlgorithms for Seifert fibered spaces
ThuOct 1913:05Clement LegrandReconfiguration of square-tiled surfaces
ThuOct 1213:05Mark PengitoreResidual finiteness growth functions of surface groups with respect to characteristic quotients
ThuOct 0513:05Raphael ZentnerRational homology ribbon cobordism is a partial order
ThuMay 2513:05Michael BorinskyThe commutative graph complex and the amount of top-weight cohomology in the moduli space of curves
ThuApr 2713:05Alan LoganDynamics and algorithms for endomorphisms of free groups
ThuMar 0915:05Nansen PetrosyanHyperbolicity and $L$-infinity cohomology
ThuMar 0914:05Elia FioravantiCoarse cubical rigidity
ThuMar 0214:05Malavika MukundanDynamical approximation of entire functions
ThuFeb 2314:05Saul SchleimerFrom loom spaces to veering triangulations
ThuJan 2614:05Davide SprianoCombinatorial criteria for hyperbolicity
ThuDec 0814:05Ric WadeAut-invariant quasimorphisms on groups
ThuDec 0114:05Koji FujiwaraGrowth rates in a hyperbolic group
ThuNov 1714:05Bradley ZykoskiA polytopal decomposition of strata of translation surfaces
ThuNov 0314:05Becca WinarskiPolynomials, branched covers, and trees
ThuOct 2713:05Daniel BerlyneBraid groups of graphs
ThuOct 2013:05Henry BradfordLocal permutation stability
ThuOct 1313:05Claudio Llosa IsenrichFiniteness properties, subgroups of hyperbolic groups, and complex hyperbolic lattices
ThuOct 0613:05Grace GardenEarthquakes on the once-punctured torus
ThuJun 3014:05Gareth WilkesResidual properties of graphs of \(p\)-groups
ThuJun 2314:05Lorenzo RuffoniStrict hypbolisation and special cubulation
ThuJun 1614:05Naomi AndrewBaumslag-Solitar groups, automorphisms and generalisations
ThuMay 2614:05Jone Lopez de GamizOn finitely generated normal subgroups of right-angled Artin groups
ThuMay 1914:05Susan HermillerFormal conjugacy growth for graph products
ThuMay 1214:05Jean Pierre MutanguhaCanonical forms for free group automorphisms
ThuMay 0514:05Marco BarberisCurve graphs: exhaustions by rigid sets and the co-Hopfian property
ThuApr 2814:05Marco LintonHyperbolicity of certain one-relator groups
ThuMar 1715:05Rylee LymanFolding-like techniques for CAT(0) cube complexes
ThuMar 1015:05Sam HughesIrreducible lattices fibring over the circle
ThuMar 0315:05Armando MartinoOn automorphisms of free groups and nearly canonical trees
ThuFeb 2415:05Luke JeffreysNon-planarity of SL(2,Z)-orbits of origamis in genus two
ThuFeb 1715:05Annette KarrerConnected components of Morse boundaries of graphs of groups
ThuFeb 1015:05Macarena ArenasA cubical Rips construction
ThuJan 2715:05Davide SprianoHyperbolic spaces for $\mathrm{CAT}(0)$ groups
ThuJan 2015:05Vladimir VankovUncountably many quasi-isometric torsion-free groups
ThuJan 1315:05Kim RuaneTorsion-free groups acting geometrically on the product of two trees
ThuDec 0915:05Arnaud de MesmayShort canonical decompositions of non-orientable surfaces
ThuDec 0215:05Emily StarkGraphically discrete groups and rigidity
ThuNov 2515:05Giles GardamThe Kaplansky conjectures
ThuNov 1815:05Sam KimOptimal regularity of mapping class group actions on the circle
ThuNov 1115:05Benjamin WardMassey Products for Graph Homology.
ThuNov 0415:05Rachel SkipperBraiding groups of homeomorphisms of Cantor sets
ThuOct 2114:05Camille HorbezOrbit equivalence rigidity of irreducible actions of right-angled Artin groups
ThuOct 1414:05Ian LearyGraphical small cancellation and groups of type \(\mathrm{FP}\)
ThuOct 0714:05Robert KrophollerCoarse embeddings and homological filling functions
ThuDec 1015:30Corey BregmanOuter space for right-angled Artin groups
ThuDec 1015:00Ruth CharneyOuter space for right-angled Artin groups
ThuDec 0315:30Ying HuEuler class of taut foliations on Q-homology spheres and Dehn fillings
ThuDec 0315:00Tara BrendleThe mapping class group of connect sums of \(S^2 \times S^1\)
ThuNov 0515:30Ivan DynnikovAn algorithm to compare Legendrian knots
ThuNov 0515:00Chenxi WuBounds on asymptotic translation length on free factor and free splitting complexes
ThuOct 2915:00Mark BellComputations in big mapping class groups
ThuOct 2214:30Sam TaylorThe veering polynomial, the flow graph, and the Thurston norm
ThuOct 2214:00Yair MinskyVeering triangulations and their polynomials
ThuOct 1514:30Rudradip BiswasGeneration of unbounded derived categories of modules over groups in Kropholler's hierarchy
ThuOct 1514:00Esmee te WinkelKnots in the curve graph
ThuOct 0814:30David GabaiThe fully marked surface theorem
ThuOct 0814:00Mehdi YazdiThe complexity of determining knot genus in a fixed three-manifold
TueAug 2515:30Dawid KielakPoincaré duality groups
TueAug 1815:30Jing TaoThe Nielsen-Thurston classification, revisited
TueAug 1815:00Kasia JankiewiczGeneralized Tits conjecture for Artin groups
TueAug 1115:00Andras StipsiczConnected Floer homology of covering involutions
TueAug 0415:30Sarah Dean RasmussenTaut foliations from left orders, in Heegaard genus two
TueAug 0415:00Marissa LovingCovers and curves
TueJul 2815:30Scott TaylorEquivariant Heegaard genus of reducible three-manifolds
TueJul 2815:00Rich SchwartzThe spheres of Sol
TueJul 2115:00Michael LandryFaces of the Thurston norm ball up to isotopy
TueJun 2315:30William WordenDehn filling and knot complements that do not irregularly cover
TueJun 2315:00Caroline SeriesGeometry in non-discrete groups of hyperbolic isometries: Primitive stability and the Bowditch Q-conditions are equivalent.
TueJun 1615:30Yulan QingThe sub-linearly Morse boundary
TueJun 1615:00Corey BregmanIsotopy and equivalence of knots in three-manifolds
TueJun 0915:30Eric SampersonHow helpful is hyperbolic geometry?
TueJun 0915:00Kathryn MannLarge-scale geometry of big mapping class groups
TueJun 0215:30Rylee LymanOuter automorphisms of free Coxeter groups
TueJun 0215:00Daniel WoodhouseQuasi-isometric rigidity of graphs of free groups with cyclic edge groups
TueMay 2615:30Talia FernosBoundaries and CAT(0) cube complexes
TueMay 2615:00Daniel AllcockBig mapping class groups fail the Tits alternative
TueMay 1915:30Baris CoskunuzerMinimal surfaces in hyperbolic three-manifolds
TueMay 1915:00Henry SegermanFrom veering triangulations to Cannon-Thurston maps
TueMay 1215:30Martin ScharlemannA strong Haken's theorem
TueMay 1215:00Neil HoffmanHigh crossing knot complements with few tetrahedra
TueMay 0515:30Priyam PatelIsometry groups of infinite-genus hyperbolic surfaces
TueMay 0515:00Nathan DunfieldCounting incompressible surfaces in three-manifolds
TueApr 2815:30Ian AgolVirtually algebraically fibered congruence subgroups
TueApr 2815:00Genevieve WalshIncoherence of free-by-free and surface-by-free groups
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