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 [email protected]

Sep
28
2026

Computer Science/Discrete Mathematics Seminar I

Three-color van der Waerden Numbers Grow Super-exponentially
Jacob Fox
11:00am|Simonyi 101 and Remote Access

The van der Waerden number w(k;r) is the minimum positive integer N such that every r-coloring of the positive integers up to N contains a monochromatic k-term arithmetic progression. Estimating these numbers has remained a challenging open problem...

Sep
28
2026

IAS CMP/QFT Group Meeting

Duality Defects Get Fuzzy
Yifan Wang
11:00am|Bloomberg Lecture Hall (IAS)

Abstract: I will discuss the fate of non-invertible duality symmetries in 1+1d CFTs under continuous deformations. We will explore the constraints imposed by anomaly matching even when the duality defect is no longer topological. In particular, I...

Sep
28
2026

Princeton University Extrasolar Planet Discussion Group

New Insights into Exoplanets in the Roman Era: Host Metallicity and System Multiplicity of Cold Planets
Jiyuan Zhang
12:00pm|Zoom and Green Hall 1-N-5, Princeton University

Abstract: Host metallicity and system multiplicity encode fundamental information about planet formation, yet both remain poorly constrained for low-mass planets beyond the snow line. Gravitational microlensing is uniquely sensitive to this regime...

Sep
28
2026

Princeton University LFTP Seminar

Weak Cosmic Censorship and Critical Collapse in 2+1 Gravity
Serban Cicortas
12:30pm|Jadwin Hall, 4th Floor, LFPT Open Space

Abstract: The Weak Cosmic Censorship conjecture of Penrose ’69 states that naked singularities do not form for generic initial data. Moreover, starting with the work of Choptuik '92, numerical relativity predicts that naked singularities arise on...