Previous Conferences & Workshops

Nov
10
2006

Mathematical Physics Seminar

Random Band Matrices
4:00pm|S-101

Random band matrices have been proposed as an effective, or toy, model for a disorder induced localization-delocalization transition of eigenstates. Most results about these matrices, and the transition, are based on numerics or on calculations with...

Nov
10
2006

Birational Geometry

Finite Generation III
2:00pm|S-101

We will discuss the ideas of the proof of the finite generation theorem, by looking at several special cases.

Nov
10
2006

Fundamental Lemma

Equivariant Homology of Affine Springer Fibers
10:30am|S-101

I will attempt to summarize the results in the following two papers, jointly written with R. Kottwitz and R. MacPherson: "Equivariant cohomology, Koszul duality, and the localization theorem" (Inv. Math., 1998) and "Homology of affine Springer...

Nov
09
2006

Joint IAS/Princeton University Number Theory Seminar

Multiple Dirichlet Series Attached to Weyl Groups
Solomon Friedberg
4:30pm|Princeton University, Fine Hall 214

Weyl group multiple Dirichlet series are multiple Dirichlet series in several variables whose coefficients involve Gauss sums and also reflect the combinatorics of a given root system. The earliest examples came from Mellin transforms of metaplectic...

Nov
07
2006

Computer Science/Discrete Mathematics Seminar II

Solvability of Polynomial Equations over Finite Fields
10:30am|S-101

We investigate the complexity of the following polynomial solvability problem---given a finite field $\mathbb F_q$ and a set of polynomials $f_1, f_2, \dotsc, f_m \in \mathbb F_q[x_1, x_2, \dotsc, x_n]$ of total degree at most $d$, determine the...

Nov
06
2006

Members’ Seminar

Equidistribution Problems on Siegel Modular Varieties
4:00pm|S-101

In this talk, I'd like to discuss an intriguing equidistribution property of automorphic forms on arithmetic quotients of homogeneous varieties, focusing on cuspidal Hecke eigenforms for Sp(n, Z), the Siegel modular group of genus n. Our approach is...

Nov
06
2006

Computer Science/Discrete Mathematics Seminar I

Towards Harmful Low-Rate Noise Models for Quantum Computers
11:15am|S-101

We propose and discuss two conjectures on the nature of errors in highly correlated noisy physical stochastic systems. The first asserts that errors for a pair of substantially correlated elements are themselves substantially correlated. The second...