# Geometry & Topology Seminar 2016

To suggest speakers, propose a talk, be added to or removed from the mailing list, or for any other information, please contact Haotian Wu, Robert Haraway or Stephan Tillmann.

The titles below should be linked to the abstracts.

## Semester 2, 2016

Talks in Semester 2 will be on Wednesdays from 12:00–13:00 in Carslaw 535A unless noted otherwise. The titles below should be linked to the abstracts.

 Thursday 14 July Martin Schmidt (Mannheim) The analysis of constrained Willmore surfaces from the viewpoint of quaternionic function theory Wednesday 27 July Robert Tang (Oklahoma) Veech surfaces and simple closed curves Wednesday 3 August Cristian Virdol (Yonsei) Artin’s conjecture for abelian varieties Wednesday 10 August Haotian Wu (Sydney) Metrics with non-negative Ricci curvature on convex three-manifolds Wednesday 17 August Montek Gill (Michigan) Are compact 3-manifold groups residually PSL(2,R) for finite, commutative R? Wednesday 24 August Xiao Zhang (Chinese Academy of Sciences) Nonexistence of time-periodic solutions of the Dirac equation in nonextreme Kerr-Newman-AdS spacetime Wednesday 31 August Valery Alexeev (University of Georgia) Tilings in algebraic geometry Wednesday 7 September Robert Haraway (Sydney) Heegaard realizability Wednesday 14 September Cameron Rogers (Newcastle) Investigating the connections between the convergence properties of return probabilities and Folner sequences Wednesday 21 September Satoshi Koike (Hyogo) Finiteness theorem for Blow-Nash triviality of a family of Nash surfaces Friday 23 September 10:30–11:30 in Carslaw 535A Yann Bernard (Monash) Energy quantisation for the Willmore functional Wednesday 5 October Stephan Tillmann (Sydney) Multisections of manifolds Wednesday 12 October Bea Bleile (University of New England) Fundamental Triples and Poincaré Duality Complexes with Highly Connected Universal Covers Wednesday 19 October Alessandro Ottazzi (UNSW) Isometries in homogeneous metric manifolds Wednesday 26 October Alex Casella (Sydney) Fock and Goncharov Moduli Space and its Poisson Structure Wednesday 2 November Ali Mohammadi (Sydney) Szemerédi-Trotter theorem in general finite fields Wednesday 9 November in Carslaw 375 Colin Guillarmou (Université Paris-Sud) Lens rigidity in negative curvature Thursday 24 November 14:00–15:00 in Carslaw 535A David Baraglia (Adelaide) Integrability of the moduli stack of parahoric Higgs bundles Wednesday 14 December 10:00–11:00 in Carslaw 535A Guofang Wei (UC Santa Barbara) Isoperimetric and Sobolev Constant Estimate for Integral Ricci Curvature Wednesday 14 December 11:00–12:00 in Carslaw 535A Xianzhe Dai (UC Santa Barbara) Perelman's Functional for Manifolds with Conical Singularities Monday 19 December 11:00–12:00 in Carslaw 830 Gerhard Huisken (Tübingen/Oberwolfach) Mean curvature flow encoding mass and center of mass in asymptotically flat 3-manifolds

## Semester 1, 2016

Talks in Semester 1 will be on Wednesdays from 12:00–13:00 in Carslaw 535A unless noted otherwise. The titles below should be linked to the abstracts.

 Wednesday 9 March Eric Chesebro (Montana) Using character varieties to find closed surfaces in 3-manifolds Wednesday 16 March Kamil Bulinski (Sydney) Twisted multiple recurrence and patterns in large sets Friday 1 April, 10:00–11:00 in Carslaw 375 Alexandru Dimca (Sophia Antipolis) A computational approach to Milnor fiber cohomology Wednesday 6 April Tyrone Ghaswala (Waterloo) Superelliptic Covers and the Lifting Mapping Class Group Wednesday 13 April Michael Björklund (Chalmers University) Why one should fry pancakes in $$SL_3(\mathbb{R})$$ Wednesday 27 April Joan Porti (UAB) Reidemeister torsion and hyperbolic 3-manifolds Wednesday 4 May Jonathan Hillman (Sydney) Complements of connected hypersurfaces in $$S^4$$ Wednesday 11 May Feng Luo (Rutgers) A Discrete Uniformization Theorem for Polyhedral Surfaces Wednesday 18 May Catherine Greenhill (UNSW) Colouring random graphs and hypergraphs Wednesday 25 May Daryl Cooper (UCSB) Abundant Quasi-Fuchsian Surfaces in Cusped Hyperbolic 3-Manifolds Wednesday 1 June Christian Haesemeyer (UCLA/Melbourne) K-theory of singularities Wednesday 8 June Katharine Turner (EPFL) Persistent homology: an introduction and some example applications

## Summer break 2016

 Wednesday 10 February from 12:00–13:00 in Carslaw 535A Adam Parusinski (Sophia Antipolis) Local topological algebraicity of analytic function germs Friday 19 February from 12:00–13:00 in Carslaw 535A Weimin Sheng (Zhejiang University) K-Yamabe Problems Wednesday 24 February from 12:00–13:00 in Carslaw 535A Peter Scott (Michigan) Combinatorial Harmonic Maps