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
04
2025

Princeton University Galread [Galactic/Extragalactic Reading Group]

TBA
11:00am|Zoom and Peyton Hall, Grand Central

Each week, we hold a relatively informal seminar/discussion series with an emphasis on extra-galactic and large-scale structure astrophysics.

During Galread a leader/visitor presents a recent paper to the discussion group. The PDF of the paper is...

Apr
07
2025

Princeton University Gravity Initiative Spring Seminar Series

Phase Space of JT Gravity with Positive Cosmological Constant
Elba Alonso- Monsalve
12:30pm|Jadwin Hall, Princeton Gravity Initiative, 4th Floor

Abstract: We construct the classical phase space of Jackiw-Teitelboim (JT) gravity with positive cosmological constant on spatial slices with circle topology. We identify solutions not previously discussed in the literature, and find the phase space...

Apr
07
2025

Members' Colloquium

Barcodes in Topology and Analysis
Egor Shelukhin
1:00pm|Simonyi 101 and Remote Access

Persistence modules and their associated barcodes were intensively studied since the early 2000s with a view towards applied mathematics. Recently they have also found numerous applications in pure mathematics. We will discuss a few examples from...

Apr
08
2025

Computer Science/Discrete Mathematics Seminar II

Cosystolic Expansion
Irit Dveer Dinur
10:30am|Simonyi 101 and Remote Access

High dimensional expansion comes in two flavors: spectral, which relates to random walks;  and cosystolic, which relates to chains of linear maps. The later is a more mysterious notion, which turns out related to a variety of applications such as...

Apr
08
2025

Symplectic Geometry Seminar

Compactness Problems in Counting Special Lagrangians and Fueter Sections
Saman Habibi Esfahani
1:00pm|Simonyi 101 and Remote Access

This talk is based on joint work with Yang Li. I will discuss the problem of counting special Lagrangians in Calabi-Yau 3-folds and Fueter sections to define new numerical and Floer-theoretic invariants. The key challenges are the non-compactness...

Apr
08
2025

IAS Amplitudes Group Meeting

Rays, Residues and the Moduli Space of Polygons
Nick Early
2:30pm|Bloomberg Lecture Hall (IAS)

Abstract: We describe a (surprisingly) novel, uniform formula for all inverse propagators appearing in $tr(\phi^3)$ amplitudes which are dual to a basis of rays of the tropical Grassmannian $TropG(2,n)$.  Our formula manifests the standard kinematic...