# Topology Seminar

This seminar is held on Tuesdays at 3pm in 210 Deady.

### Spring Quarter, 2017

- April 11,
**Hongbin Sun**(UC Berkeley)

NonLERFness of arithmetic hyperbolic manifold groups - April 18,
**Michael Willis**(UVA)

The Khovanov homology of infinite braids - April 25,
**Vassili Gorbounov**(University of Aberdeen)

New feature of the Schubert calculus - May 2, no seminar – Niven Lectures
- May 9,
**Biji Wong**(Brandeis)

Equivariant corks and Heegaard Floer homology - May 16, no seminar – Moursund Lectures
- May 23,
**Boris Botvinnik**(UO)

Torelli groups and families of metrics with positive Ricci curvature - May 30,
**Kirk McDermott**(Oregon State)

Examples of 3-manifold spines arising from a family of cyclic presentations - June 6,
**Chris Scaduto**(Simons Center for Geometry and Physics, Stonybrook)

The mod 2 cohomology of some SU(2) representation spaces for a surface

### Winter Quarter, 2017

- January 17, no seminar
- January 24, no seminar
- January 31,
**David Pengelley**(Oregon State)

How is a projective space fitted together? - February 7,
**Yefeng Shen**(Stanford)

LG/CY correspondence via modularity - February 21,
**Paul Arnaud Songhafouo Tsopméné**(University of Regina)

Cosimplicial models for manifold calculus - February 28,
**Christian Millichap**(Linfield College)

Commensurability of hyperbolic knot and link complements - March 14,
**Dan Dugger**(UO)

Bigraded cohomology for Z/2-spaces

### Fall Quarter, 2016

- September 23,
**Jessica Purcell**(Monash University)

**Special Time:**10:30am in 210 Deady Hall

Limits of knots - September 27, Organizational Meeting
- October 4,
**Shida Wang**(UO)

Linear independence in the smooth concordance group - October 11,
**Dan Dugger**(UO)

Involutions on surfaces - October 18,
**Dev Sinha**(UO)

Towards a geometric model for cochains, as an E_∞ algebra - October 25,
**Scott Baldridge**(Louisiana State)

Invariants of Special Lagrangian Cones - November 1,
**Leanne Merril**(UO)

Algebraic vn self maps at the prime 2 - November 8,
**Tian Yang**(Stanford)

Volume conjectures for Reshetikhin-Turaev and Turaev-Viro invariants - November 15,
**Demetre Kazaras**(UO)

Minimal hypersurfaces with free boundary and psc-bordism - November 22,
**Nathan Dunfield**(University of Illinois at Urbana-Champagne)

A tale of two norms - November 29,
**Ailsa Keating**(Columbia)

**Special Time/Location**10am in McKenzie 345

On higher dimensional Dehn twists - December 8,
**Vinicius Gripp Barros Ramos**(IMPA)

Symplectic embeddings, toric domains and billiards

Previous years: 2016 2015 2013 2012 F11 S10 W10 F09 F08 S08 W08 F07 S07 W07 F06 F05-S06 F04-S05 F03-S04 F02-S03 F00-S01 F99-S00 F98-S99 F97-S98