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

Dec
08
2025

Computer Science/Discrete Mathematics Seminar I

Trickle-down Theorems for High-dimensional Expanders via Lorentzian Polynomials
Jonathan Leake
11:00am|Simonyi Hall 101 and Remote Access

High-dimensional expanders (HDX) are a generalization of expander graphs which have seen various applications in coding theory, PCPs, pseudorandomness, derandomization, approximate sampling, and beyond. One technique for proving a complex is an HDX...

Dec
08
2025

IAS CMP/QFT Group Meeting

Generalized Symmetries of Relative QFTs and Chiral Algebras
Brandon Rayhaun
11:00am|Bloomberg Lecture Hall (IAS)

Abstract: I will sketch a theory of finite, generalized symmetries of 2D QFTs which live at the boundary of a bulk topological theory in one higher dimension, emphasizing various new ingredients which arise in the presence of a nontrivial bulk. This...

Dec
08
2025

IAS Phenomenology Lunch and Meet

Information Discussions on Phenomenology and New Theories beyond the Standard Model
12:30pm|Bloomberg Hall Biology Conference Room (1st Floor, Room 113)

This semester, we will be beginning a *very informal* get-together every Monday of people interested in/working on phenomenology and new theories beyond the standard model.  The idea is to discuss over lunch, perhaps meet up around 12.20, grab lunch...

Dec
08
2025

Princeton University Gravity Initiative Seminar

Cryptographic tests of the python's lunch conjecture
Michelle Xu
12:30pm|Jadwin Hall, Princeton Gravity Initiative, 4th Floor

Abstract: In AdS/CFT, a spacetime geometry is said to contain a python's lunch when there exist choices of boundary regions with associated entanglement wedges that contain locally but not globally minimal surfaces. Previously, such geometries have...

Dec
08
2025

Members' Colloquium

New Methods in Resolution of Singularities
Michael Temkin
1:30pm|Simonyi 101 and Remote Access

Since Hironaka's famous resolution of singularities in characteristics zero in 1964, it took about 40 years of intensive work of many mathematicians to simplify the method, describe it using conceptual tools and establish its functoriality. However...

Dec
08
2025

IAS High Energy Theory Seminar

Entanglement Bootstrap and Conformal Field Theory
John McGreevy
2:30pm|Bloomberg Lecture Hall (IAS) & Zoom

Abstract: Entanglement Bootstrap is a research program to understand and extract the universal data of quantum many body states from local entanglement information.  Since this universal data is usually encoded in a quantum field theory, the program...

Dec
08
2025

Joint IAS/PU Arithmetic Geometry

Frobenius Lifting and a Geometric Theory of Companion Forms
Vincent Pilloni
3:30pm|Simonyi 101 and Remote Access

We describe the obstruction to lift Frobenius on certain Shimura varieties and apply this to the theory of companion forms for classical modular forms (Gross, Coleman-Voloch, Faltings-Jordan) and also in higher dimension.

Dec
09
2025

Computer Science/Discrete Mathematics Seminar II

On Turán Numbers of Tight Cycles
Maya Sankar
10:30am|Simonyi 101 and Remote Access

The study of Turán numbers of graphs and hypergraphs is a rich problem in extremal combinatorics. The Turán problem asks, given a fixed forbidden (hyper)graph F, what is the maximum number of edges in an F-free (hyper)graph in terms of the number of...