- Giorgio Mangioni

Rigidity properties of mapping class groups and their random quotients

Tuesday 15th October 2024, 2:00 pm – 3:00 pm

Fry Building, 2.04 - Giovanni Italiano

Tuesday 22nd October 2024, 2:00 pm – 3:00 pm

Fry Building, 2.04 - Tudur Lewis *note unusual time*

Tuesday 29th October 2024, 4:00 pm – 5:00 pm

Fry Building, 2.04 - Sam Fisher *note unusual time*

Tuesday 5th November 2024, 4:00 pm – 5:00 pm

Fry Building, 2.04 - Diego Corro

Tuesday 12th November 2024, 2:00 pm – 3:00 pm

Fry Building, 2.04 - Alan McLeay

Tuesday 19th November 2024, 2:00 pm – 3:00 pm

Fry Building, 2.04 - Macarena Arenas

Tuesday 26th November 2024, 2:00 pm – 3:00 pm

Fry Building, 2.04 - Shaked Bader

Tuesday 3rd December 2024, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 14th January 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 21st January 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 28th January 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 4th February 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 11th February 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 18th February 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 25th February 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 4th March 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - Ana Lecuona

Tuesday 11th March 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 18th March 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - David Aulicino

Tuesday 25th March 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04 - TBA

Tuesday 1st April 2025, 2:00 pm – 3:00 pm

Fry Building, 2.04

### Past Seminars:

- Harry Petyt

Coarse-geometric obstructions to cubulation

Tuesday 8th October 2024 - Joseph MacManus

Coarse characterisations of planarity in Cayley graphs

Tuesday 1st October 2024 - Viveka Erlandsson

Long random multi-curves

Tuesday 24th September 2024 - Sam Freedman

Periodic Points on Veech Surfaces

Tuesday 17th September 2024 - Cornelia Drutu

Understanding infinite groups via their actions on Banach spaces

Tuesday 4th June 2024 - Rohini Ramadas

Thurston theory in complex dynamics: a tropical perspective

Tuesday 21st May 2024 - Matthew Tointon

Scaling limits of vertex-transitive graphs of polynomial size or polynomial growth

Tuesday 14th May 2024 - Romain Tessera

Balls in groups: volume, structure and growth

Tuesday 7th May 2024 - Laura Ciobanu

Conjugacy growth in (some Artin) groups

Tuesday 30th April 2024 - David Hume

A coarse geometric approach to graph layout problems

Tuesday 23rd April 2024 - Tommaso Cremaschi

Big and small surfaces and Nielsen-Thurston Classification problems

Tuesday 16th April 2024 - Matthew Cordes

Geometric approximate group theory

Tuesday 19th March 2024 - Alex Evetts

Growth of subsets

Tuesday 12th March 2024 - Ido Grayevsky

Sublinear rigidity of lattices in semisimple Lie groups

Tuesday 5th March 2024 - David Hume *cancelled*

A coarse geometric approach to graph layout problems

Tuesday 27th February 2024 - Anna Pratoussevitch

Ultra-parallel complex hyperbolic triangle groups

Tuesday 20th February 2024 - Samantha Pilgrim

Asymptotic Invariants and Hurewicz-type Theorems

Tuesday 13th February 2024 - Matthew Tointon *cancelled*

Scaling limits of vertex-transitive graphs of polynomial size or polynomial growth

Tuesday 6th February 2024 - Karen Vogtmann *note unusual time, joint with Algebra seminar*

Finite groups of outer automorphisms of right-angled Artin groups

Tuesday 30th January 2024 - Arman Darbinyan

A quasi-isometrically diverse class of bi-orderable solvable and residually finite groups via Taut Dehn spectra

Tuesday 23rd January 2024 - Robert Kropholler

Folding-like techniques for CAT(0) cube complexes

Tuesday 12th December 2023 - Vladimir Vankov

L-infinity cohomology of groups

Tuesday 5th December 2023 - Marco Linton

The coherence of one-relator groups

Tuesday 28th November 2023 - Rachael Boyd

Classifying spaces for 3-manifold diffeomorphisms

Tuesday 21st November 2023 - Peter Feller

The Dehn twist coefficient and irrational rotation behaviour

Tuesday 14th November 2023 - Marc Lackenby

Counting incompressible surfaces in hyperbolic 3-manifolds

Tuesday 7th November 2023 - John Mackay

Asymptotic dimension for covers with controlled growth

Tuesday 31st October 2023 - Monika Kudlinksa

Subgroup separability in 3-manifold and free-by-cyclic groups

Tuesday 24th October 2023 - William Cohen

3-manifold groups acting acylindrically on trees

Tuesday 17th October 2023 - David Sheard

Reflection and Nielsen equivalence in Coxeter groups

Tuesday 10th October 2023 - Mark Pengitore

Residual finiteness growth functions of surface groups with respect to characteristic quotients

Tuesday 3rd October 2023 - Samantha Fairchild

Pairs in discrete lattice surfaces with applications to Veech surfaces

Tuesday 6th June 2023 - Nóra Szakács

Inverse semigroups as metric spaces, and their uniform Roe algebras

Tuesday 2nd May 2023 - Rachael Boyd *cancelled*

Embedding spaces of split links

Tuesday 25th April 2023 - Gemma Crowe

Conjugacy, languages and groups

Tuesday 18th April 2023 - Richard Webb

A new approach for homeomorphisms of surfaces

Tuesday 14th March 2023 - Adele Jackson

Triangulations of Seifert fibered spaces

Tuesday 7th March 2023 - David Hume

Thick topological embeddings of graphs into symmetric spaces

Tuesday 28th February 2023 - George Kontogeorgiou

Discrete group actions on 3-manifolds and embeddable Cayley complexes

Tuesday 14th February 2023 - Laura Monk

Counting non-simple geodesics on random hyperbolic surfaces

Tuesday 7th February 2023 - Davide Spriano

Hyperbolic models for CAT(0) spaces

Tuesday 31st January 2023 - Michael Magee

The maximal spectral gap of a hyperbolic surface

Tuesday 24th January 2023 - Constantin Vernicos

Flag Approximability of convex bodies and volume entropy of Hilbert geometries

Tuesday 13th December 2022 - Martin de Borbon

Polyhedral Kahler cone metrics on**C**^{n}

Tuesday 6th December 2022 - Mingkun Liu

Random multi-geodesics on hyperbolic surfaces of large genus

Tuesday 29th November 2022 - Sean Dewar

Homothetic packings of centrally symmetric convex bodies

Tuesday 22nd November 2022 - Bradley Zykoski

A polytopal decomposition of strata of translation surfaces

Wednesday 16th November 2022 - Robert Suzzi Valli

Combinatorial Growth of Reciprocal Geodesics in the Modular Group

Tuesday 15th November 2022 - Bin Sun

L^{2}-Betti numbers of fiber bundles

Tuesday 8th November 2022 - Jacob Russell

Purely pseudo-Anosov subgroups of fibered 3-manifold groups

Tuesday 1st November 2022 - Macarena Arenas

A cubical Rips construction

Tuesday 25th October 2022 - Gianluca Faraco

Period realisation of meromorphic differentials

Tuesday 18th October 2022 - Patrick Nairne

Obstructions to embeddings between trees

Tuesday 11th October 2022 - Mark Hagen

Separability (and mapping class groups)

Tuesday 4th October 2022 - Anthony Sanchez *note the unusual day and time*

Kontsevich-Zorich monodromy groups of translation covers of some platonic solids

Wednesday 28th September 2022 - Marie Trin

Thurston’s compactification via geodesic currents: the case of non-compact finite area surfaces

Tuesday 13th September 2022 - John Parker

Complex Hyperbolic Lattices

Tuesday 31st May 2022 - Chandrika Sadanand

Heegaard splittings and square complexes

Tuesday 24th May 2022 - Rhiannon Dougall

Counting Limit Theorems for Anosov Representations

Tuesday 24th May 2022 - Lars Louder

Negative immersions and coherence of (most) one-relator groups

Tuesday 17th May 2022 - Anna Parlak

Pseudo-Anosov flows and twisted Alexander polynomials

Tuesday 10th May 2022 - Jone Lopez de Gamiz

Limit groups over coherent RAAGs and their subgroups.

Tuesday 3rd May 2022 - Olga Paris-Romaskevich

Novikov’s problem and tiling billiards

Tuesday 29th March 2022 - Jenya Sapir

A projection from geodesic currents to Teichmuller space

Tuesday 22nd March 2022 - Sam Hughes

Hierarchical hyperbolicity versus biautomaticity

Tuesday 15th March 2022 - Mehdi Yazdi

Upper bound for distance in the pants graph

Tuesday 8th March 2022 - Anja Randecker

Saddle connection complex: coarse and fine

Tuesday 1st March 2022 - Dmitri Panov

Moduli of spherical tori with one conical point

Tuesday 22nd February 2022 - Feng Zhu

Equidistribution and counting in Hilbert geometry

Tuesday 15th February 2022 - Sam Corson

A space which is slightly connected and very thick

Tuesday 8th February 2022 - Lei Chen

Actions of Homeo and Diffeo groups on manifolds

Tuesday 1st February 2022 - Thomas Haettel

Group actions on Helly graphs and injective metric spaces

Tuesday 14th December 2021 - Tarik Aougab

Dilatation for random point-pushing pseudo-Anosovs

Tuesday 7th December 2021 - Marissa Loving

End-periodic homeomorphisms and volumes of mapping tori

Tuesday 30th November 2021 - Daniel Berlyne

Non-positive curvature in graph braid groups

Tuesday 23rd November 2021 - Yvon Verberne

Automorphisms of the fine curve graph

Tuesday 16th November 2021 - Radhika Gupta

Relating polynomial invariants of free-by-cyclic groups

Tuesday 9th November 2021 - Emily Shinkle

Finite Rigid Sets for Combinatorial Complexes Associated to Surfaces

Tuesday 2nd November 2021 - Abdul Zalloum

Hyperplanes all over the place

Tuesday 26th October 2021 - Arnaud Maret

Remarkable surface group representations in genus zero

Tuesday 19th October 2021 - Aitor Azemar

A qualitative description of the horoboundary of the Teichmüller metric

Tuesday 12th October 2021 - Fanny Kassel

Convex cocompactness and Coxeter groups

Tuesday 25th May 2021 - Alice Kerr

Quasi-trees and product set growth

Tuesday 18th May 2021 - Vincent Delecroix

Random multicurves in high genera

Tuesday 11th May 2021 - Anton Zorich

Count of simple closed geodesics on Riemann surfaces

Tuesday 4th May 2021 - Leonid Monin

Hyperelliptic curves with many automorphisms and triangular billiards

Tuesday 27th April 2021 - Michelle Chu

Prescribed virtual torsion in the homology of 3-manifolds

Tuesday 20th April 2021 - Johan Taflin

Attractors in holomorphic dynamics

Tuesday 13th April 2021 - Carolyn Abbott

Random walks and quasiconvexity in acylindrically hyperbolic groups

Tuesday 23rd March 2021 - Chandrika Sadanand

Hyperbolic surfaces with cone points and polygonal billiards

Tuesday 16th March 2021 - Hugo Parlier

Curves, surfaces and intersection

Tuesday 9th March 2021 - Arielle Leitner

Deformations of Generalized Cusps on Convex Projective Manifolds

Tuesday 2nd March 2021 - Rylee Lyman

Folding-like Techniques for CAT(0) Cube Complexes

Tuesday 23rd February 2021 - Didac Martinez Granado

Geodesic currents and the smoothing property

Monday 15th February 2021 - Rose Morris-Wright

A Deligne Complex for Artin Monoids (Based on joint work with Rachael Boyd and Ruth Charney)

Tuesday 9th February 2021 - Dusa McDuff

The symplectic embedding problem

Tuesday 26th January 2021 - Marissa Miller

Geometry of the genus two handlebody group

Tuesday 19th January 2021 - Yulan Qing

Sublinearly Morse Boundary of Groups

Tuesday 12th January 2021 - Nima Hoda

Strongly shortcut spaces

Tuesday 15th December 2020 - Nick Wilkins

A construction of Steenrod squares and their quantum counterparts

Tuesday 8th December 2020 - Joseph Wells

Complex hyperbolic hybrids

Tuesday 1st December 2020 - Lorenzo Ruffoni *note unusual day and time*

Projective structures, representations, and ODEs on surfaces.

Monday 23rd November 2020 - David Hume *note unusual day and time*

Geometry of acylindrically hyperbolic groups

Monday 16th November 2020 - Jean-Pierre Mutanguha

Finding relative immersions of free groups

Tuesday 10th November 2020 - Jing Tao

Polygons, Horogons, and the Nielsen-Thurston Classification Theorem

Tuesday 3rd November 2020 - Aaron Fenyes

Hyperbolic surfaces as singular flat surfaces

Tuesday 27th October 2020 - Luke Jeffreys

The statistical hyperbolicity of Teichmüller space

Tuesday 20th October 2020