Columbia Home
April 1: Steve Zelditch (Northwestern)

Title: Global Harmonic Analysis

March 25: Dmitri Orlov (Steklov Institute)

Title: Categories in algebra, geometry, and physics with application to noncommutative derived geometry.

February 25: Vladimir Sverak (U. Minnesota)

Title: On PDE aspects of the Navier-Stokes equations,  Euler equations, and certain model equations.

February 11: Andrew Blumberg (UT Austin)

Title: The algebraic K-theory of the sphere spectrum, the geometry of high-dimensional manifolds, and arithmetic

December 3: Claire Voisin (Jussieu and IAS)

Title: Hodge structures, coniveau and algebraic cycles

November 5: Roman Bezrukavnikov (MIT)

Canonical bases and algebraic geometry

October 22: Hiraku Nakajima (RIMS)

Motivic DT-type invariants and 3d mirror symmetry

October 8: Qiang Du (Columbia)

Nonlocal vector calculus and asymptotically compatible schemes

October 1: Alex Lubotzky (Hebrew U. and NYU)

Isoperimetric inequalities for Ramanujan complexes and topological expanders

September 24: Van Vu (Yale)

How many real roots does a random polynomial have?