Previous Conferences & Workshops

Feb
19
2019

Variational Methods in Geometry Seminar

Invariant metrics and the Greene-Wu conjectures
3:30pm|Simonyi Hall 101

It has been conjectured that a simply-connected complete Kahler manifold of negatively pinched sectional curvature is biholomorphic to a bounded domain in complex Euclidean space. One evidence is that the manifold is Stein, which is, in particular...

Feb
19
2019

Symplectic Dynamics Working Group

Entropy and dynamical systems in dimension 2
Fabio Tal
1:30pm|West Building Lecture Hall

One of the most useful tools in quantifying the complexityof a dynamical system are the concepts of topological and metricentropy. While relevant in several contexts, entropy plays aparticularly important role in describing the behaviour of...

Feb
19
2019

Variational Methods in Geometry Seminar

On minimizers and critical points for anisotropic isoperimetric problems
1:00pm|Simonyi Hall 101

Anisotropic surface energies are a natural generalization of the perimeter functional that arise in models in crystallography and in scaling limits for certain probabilistic models on lattices. This talk focuses on two results concerning...

Feb
19
2019

Computer Science/Discrete Mathematics Seminar II

Lorentzian polynomials
10:30am|Simonyi Hall 101

Lorentzian polynomials link continuous convex analysis and discrete convex analysis via tropical geometry. The class of Lorentzian polynomials contains homogeneous stable polynomials as well as volume polynomials of convex bodies and projective...

Feb
18
2019

Joint IAS/Princeton University Algebraic Geometry Seminar

An example of liftings with different Hodge numbers
Shizhang Li
5:00pm|Princeton University, Fine Hall 314

Does a smooth proper variety in positive characteristic know the Hodge number of its liftings? The answer is "of course not". However, it's not that easy to come up with a counter-example. In this talk, I will first introduce the background of this...

Feb
18
2019

Theoretical Machine Learning Seminar

Curiosity, Intrinsic Motivation, and Provably Efficient Maximum Entropy Exploration
Karan Singh
12:15pm|Princeton University, CS 302

Suppose an agent is in an unknown Markov environment in the absence of a reward signal, what might we hope that an agent can efficiently learn to do? One natural, intrinsically defined, objective problem is for the agent to learn a policy which...

Feb
14
2019

Joint IAS/Princeton University Number Theory Seminar

An Application of a Conjecture of Mazur-Tate to Supersingular Elliptic Curves
Emmanuel Lecouturier and Emmanuel Lecouturier
4:30pm|Simonyi Hall 101

In 1987, Barry Mazur and John Tate formulated refined conjectures of the "Birch and Swinnerton-Dyer type", and one of these conjectures was essentially proved in the prime conductor case by Ehud de Shalit in 1995. One of the main objects in de...