January 30

Liang Xiao

MIT

Measuring wild ramification and Euler characteristic

February 6

Matt DeLand

Columbia

Cubic hypersurfaces are rationally simply connected

February 13

Johan Martens

Toronto

Moduli of parabolic Higgs bundles and Atiyah algebroids

February 20

Anthony Licata

Stanford

Hyperquot schemes and infinitedimensional representations of
sl(n)

February 27

Burt Totaro

Cambridge

Algebraic surfaces and
hyperbolic geometry

March 6

Paul Hacking

Washington

Exceptional vector bundles
associated to degenerations of surfaces

March 13

Joe Ross

Columbia

The HilbertChow morphism and
the incidence divisor

March 20

No seminar

Spring break


March 27

Charles Cadman

UBC

Weighted stable maps to [C^N/Z_r] and GromovWitten
invariants

April 3

Elizabeth Gasparim

Edinburgh

The Nekrasov conjecture for toric surfaces

April 10

Lucia Caporaso

Roma III

The Torelli theorem for stable curves

April 17

Jun Li

Stanford

The hyperplane property of genus 1 GW invariants of the
quintic: an algebraic approach

April 24

Alessio Corti

Imperial

The quantum cohomology of toric stacks

May 1

Sabin Cautis

MSRI

Equivalences via categorical
sl(2) actions
