Events and Activities

Explore current and upcoming events and activities happening at the Institute for Advanced Study.

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To contact the events office, please call (609) 951-4595 or email events@ias.edu

Apr
02
2025

Special Year Seminar I

Schubert Calculus on Peterson Varieties
Rebecca Goldin
2:00pm|Simonyi 101

We will discuss combinatorial and algebraic aspects of regular Hessenberg varieties, a large class of subvarieties of the flag variety G/B. For the special case of Peterson varieties, we show their equivariant structure constants are non-negative...

Apr
02
2025

Mathematical Conversations

Expansion and Robustness
Irit Dveer Dinur
6:00pm|Simons Hall Dilworth Room

Expansion is an important notion in graphs, and comes in several equivalent formulations, including (1) convergence of random walks, (2) having no small cuts, and (3) having a large spectral gap. I will talk about a higher dimensional generalization...

Apr
03
2025

Special Year Seminar II

Newton-Okounkov Bodies for Minuscule Homogeneous Spaces and Beyond
Charles Wang
10:00am|Simonyi 101

Given a triple (X,π,s) consisting of a homogeneous space X=G/P, a dominant weight π giving a projective embedding of X, and a reduced expression s for the minimal coset representative of w_0 in the parabolic quotient W/W_P, we construct a polytope...

Apr
03
2025

Institute for Advanced Study Astrophysics Seminar

Deep Generative Models for Bayesian Inference in Astrophysics
11:00am|Bloomberg Lecture Hall

Deep generative models offer powerful tools for solving astrophysical inference problems by enabling flexible representations of prior knowledge and likelihood functions. 

In the first part of the talk, I will discuss how generative models can be...

Apr
03
2025

What is...?

What is the Leau-Fatou Flower Theorem?
Liz Vivas
1:00pm|Simonyi Classroom (S-114)

I will give an overview of the classical study of local complex dynamics in one dimension, and the more recent study in several complex variables; with an emphasis on the `neutral’ case, that is when the local behavior is neither attracting nor...

Apr
03
2025

Joint PU/IAS Number Theory

Tamely Ramified Pro-P Extensions of Number Fields
Ravi Ramakrishna
3:30pm|*Princeton University, Fine 214*

In recent work with Hajir, Larsen and Maire, we have proved that a large class of finitely generated pro-p groups G can be realized as tamely ramified extensions of a number field K, though ramification at an infinite number of primes is required...

Apr
03
2025

Princeton University Donald R. Hamilton Colloquium Series

Physics meets Geometry: A Fuzzy Sphere Odyssey in Critical Phenomena
Yin-Chen He
4:00pm|Jadwin Hall A-10

Abstract: Historically, the synergy between physics and geometry, from the time of Archimedes and Newton to the era of Einstein, has repeatedly catalyzed breakthroughs in physics and mathematics. In this presentation, we will explore a new narrative...