## Contact Info

Pure MathematicsUniversity of Waterloo

200 University Avenue West

Waterloo, Ontario, Canada

N2L 3G1

Departmental office: MC 5304

Phone: 519 888 4567 x33484

Fax: 519 725 0160

Email: puremath@uwaterloo.ca

Friday, December 16, 2016 — 2:30 PM EST

**Karen Yeats, Combinatorics and Optimization, University of Waterloo **

“An arithmetic graph invariant with applications in quantum field theory.”

Friday, December 9, 2016 — 4:00 PM EST

**Ben Webster, University of Virginia **

“Representation theory of symplectic singularities”

Thursday, December 8, 2016 — 3:30 PM EST

**Martijn Caspers, Utrecht University **

“Absence of Cartan subalgebras for right angled Hecke von Neumann algebras.”

Friday, December 2, 2016 — 3:30 PM EST

**Laurent Marcoux, Department of Pure Mathematics, University of Waterloo**

“The complete boundedness property for amenable operator algebras

Friday, December 2, 2016 — 2:30 PM EST

**Mark Stern, Duke University **

“Instantons on ALF spaces”

I will discuss progress on establishing Cherkis’s Nahm transform for multicenter Taub NUT spaces.

This is joint work with Sergey Cherkis and Andres Larrain.

MC 5413

Friday, December 2, 2016 — 11:30 AM EST

**Hongdi Huang, Department of Pure Mathematics, University of Waterloo **

“Semisimple and Co-semisimple Hof algebras”

Friday, December 2, 2016 — 9:00 AM EST

**Anthony McCormick, Department of Pure Mathematics, University of Waterloo **

“Deformations of Complex Structures”

Today we’ll investigate some basic deformation theory for complex structures, culminating in a proof of the Tian Todorov lemma.

MC 5403

Thursday, December 1, 2016 — 12:30 PM EST

**Jiale Xie, Department of Combinatorics and Optimization, University of Waterloo **

“Building the base of the Zariski topology”

University of Waterloo

200 University Avenue West

Waterloo, Ontario, Canada

N2L 3G1

Departmental office: MC 5304

Phone: 519 888 4567 x33484

Fax: 519 725 0160

Email: puremath@uwaterloo.ca

University of Waterloo

University of Waterloo

43.471468

-80.544205

200 University Avenue West

Waterloo,
ON,
Canada
N2L 3G1