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Calendar: Events for week of April 16, 2018
April 16
1:00 pm
Joj Helfer
“Thom Spectra”
April 16
2:30 pm
Jack Shotton (University of Chicago)
“Ihara’s Lemma on Shimura curves via Patching”
April 16
4:00 pm
Romain Gicquaud (University of Tours)
“Mass-like Covariants for Asymptotically Hyperbolic Manifolds” The mass of an asymptotically hyperbolic manifold is a vector in Minkowski space defined in terms of the geometry at infinity of the manifold. It enjoys covariance properties under the change of coordinate chart at infinity. In this talk we classify covariants satisfying similar properties.
April 16
4:00 pm
Probability Seminar
Sequoia Hall Room 200
Erwin Bolthausen (University of Zurich)
  “A Second Moment Method for High-temperature Mean-fi eld Spin Glasses” It is well known that in mean-field spin glasses, the annealed free energy typically does not agree with the quenched one, even at high temperature. We propose a suitable conditioning argument which leads to an evaluation of the quenched free energy by a conditional second moment method.
April 17
12:30 pm
Mark Perlman
“How to Use a Chalkboard”
April 18
12:30 pm
Amir Dembo (Stanford)
TBA
April 18
3:15 pm
Matthias Ludewig
“Supersymmetric Path Integrals: Integrating Differential Forms on the Loop Space” We construct an integral map for differential forms on the loop space of Riemannian spin manifolds. For example, Bismut-Chern character forms are integrable with respect to this map, with their integrals given by indices of Dirac operators. Moreover, the map satisfies a localization principle, which provides a rigorous background for path integral proofs of the Atiyah-Singer Index theorem by Atiyah, Witten, Bismut and others.
April 19
4:00 pm
Yuval Wigderson
“How Algebraic Geometers Can Prove P \ neq NP”
April 20
11:30 am
Cole Graham
TBA
April 20
12:30 pm
Felipe Hernandez
“Triangle Counts in Random Graphs”
April 20
3:00 pm

TBA
April 20
4:25 pm
Daniel Halpern-Leistner (Cornell)
TBA
Stanford University Department of Mathematics
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