Current Year:
2018-19
Previous Years:
2017-18
2016-17
2015-16
2014-15
2013-14
2012-13
Berkeley Topology seminar
Fall 2016 - Spring 2017
Location and time
Introductory talk: Wednesdays 2-3pm in 736 Evans
Research talk: Wednesdays 4-5pm in 3 Evans
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Organizers
Kathryn Mann
Hongbin Sun
Titles and abstracts
Fall 2016
Date
Speaker
Title (click for abstract)
8/31
David Fisher (Indiana University)
Lyapunov exponents for higher rank abelian actions, subexponential growth and homogeneous dynamics (2-3pm)
Zimmer's conjecture: subexponential growth, measure rigidity and strong property (T)
(4-5pm)
9/7
Hongbin Sun (UC Berkeley)
Properties of fibered structures and subgroups of hyperbolic 3-manifolds
(2-3pm)
NonLERFness of arithmetic hyperbolic manifold groups
(4-5pm)
9/21
Kevin Schreve (University of Michigan)
Thurston norm via Fox Calculus
(2-3pm)
Thurston norm via Fox Calculus
(4-5pm)
10/5
Inkang Kim (Korea Institute for Advanced Study)
Introduction to Gromov simplicial volume
(2-3pm)
Positivity of the Gromov simplicial volume of Q-rank one locally symmetric spaces
(4-5pm)
10/12
Christopher Tuffley (Massey University)
Special time and location: 10-11am in 939 Evans
Intrinsic linking in higher dimensions, and with linking numbers divisible by q
10/12
Vaibhav Gadre (University of Glasgow)
An introductory survey of random walks on the mapping class group
(2-3pm)
The stratum of a random mapping class
(4-5pm)
10/19
Nick Salter (University of Chicago)
Monodromy, moduli spaces, and the mapping class group (2-3pm)
On the monodromy group of the family of smooth plane curves (4-5pm)
11/2
Juan Souto (Universite de Rennes 1 & IRMAR)
Counting curves in hyperbolic surfaces (introductory talk)
(2-3pm)
Counting curves in hyperbolic surfaces
(4-5pm)
11/9
Dan Margalit (Gatech)
Introduction to Mapping Class Groups and Curve Complexes
(2-3pm)
Models for mapping class groups
(4-5pm)
11/16
Mehdi Yazdi (Princeton University)
Pseudo-Anosov maps and dilatation
(2-3pm)
Bounds for the minimum dilatation
(4-5pm)
11/30
Alina Vdovina (Newcastle University)
Combinatorial structure of graph embeddings and buildings
(2-3pm)
Buildings, surfaces and equations in groups
(4-5pm)
Spring 2017
Date
Speaker
Title (click for abstract)
1/11
Kathryn Mann (UC Berkeley)
Special location: 740 Evans
Groups acting on the circle
(4-5pm)
1/18
Sebastian Hurtado (University of Chicago)
Group actions on the circle and surfaces
(2-3pm)
Burnside problem for diffeomorphism groups
(4-5pm)
1/25
Eric Samperton (UC Davis)
Dunfield and Thurston's stable description of certain finite Mod(Σ
g
) actions
(2-3pm)
Computational complexity and 3-manifolds and zombies
(4-5pm)
2/1
No Seminar
Chern Lectures (Sergiu Klainerman)
2/8
James Conway (UC Berkeley)
Heegaard Floer homology in Contact Geometry
(2-3pm)
Tight Contact Structures via Admissible Transverse Surgery
(4-5pm)
2/15
Wouter van Limbeek (U Michigan)
Expanding maps on manifolds
(2-3pm)
Towers of regular self-covers and linear endomorphisms of tori
(4-5pm)
2/22
Eric Zaslow (Northwestern University)
Combinatorics of Legendrian Surfaces
(2-3pm)
3/1
Claudia Scheimbauer (Max Planck)
Introdution to fully extended topological field theories and the Cobordism Hypothesis
(2-3pm)
Fully extended twisted field theories
(4-5pm)
3/8
Bulent Tosun (University of Alabama)
Tight contact three manifolds
(2-3pm)
Obstructing pseudo-convex embeddings of Brieskorn spheres into complex 2-space
(4-5pm)
3/15
Chris Schommer-Pries (Notre Dame)
Pontryagin-Thom as a bridge from homotopy to (higher) categories
(2-3pm)
Extended topological field theories in low dimensions
(4-5pm)
3/22
Ahmad Rafiqi (Cornell)
Classification of surface homeomorphisms and dilatations of pseudo-Anosov maps
(2-3pm)
Constructing pseudo-Anosov maps and typical properties of biPerron numbers
(4-5pm)
4/5
Scott Taylor (Colby College)
Thin position and additive invariants of knots
(2-3pm)
Additive Invariants of Knots, Links, and Spatial Graphs in 3-manifolds
(4-5pm)
4/12
Joseph Maher (CUNY)
Random walks on groups with negative curvature
(2-3pm)
Random subgroups of acylindrical groups
(4-5pm)
4/19
Alex Wright (Stanford)
Astonishingly symmetric flat surfaces
(2-3pm)
Dynamics, geometry, and the moduli space of Riemann surfaces
(4-5pm)
4/26
Allison Moore (UC Davis)
Symmetric unions without crossing changes
(2-3pm)
Cosmetic crossing changes
(4-5pm)
5/3
Peter Teichner (UC Berkeley)
Link homotopy in dimensions 3
(2-3pm)
Link homotopy in dimensions 4
(4-5pm)
5/4
Aaron Mazel-Gee (OSU)
Special seminar at 736 Evans
The geometry of the cyclotomic trace
(2-3pm)
Last modified May 4th 2017.