HARVARD-MIT-BU-BRANDEIS-NORTHEASTERN, COLLOQUIUMS
October 7, 2021 4:30 pmFor a fixed prime p and large n, what is the largest size of a subset of \mathbb{F}_p^n which does not contain a non-trivial solution to some given linear equation...
Read more
HARVARD-MIT-BU-BRANDEIS-NORTHEASTERN, COLLOQUIUMS
September 30, 2021 4:30 pmThe field of Geometric Set Theory studies structures on sets of countable objects (typically Polish spaces) by considering virtual objects, typically uncountable sets representing members of the space under consideration...
Read more
COLLOQUIUMS
June 14, 2021 3:00 pmTitle: Topics in computers and mathematics Abstract: Advances in computation and machine learning are changing the way we do pure mathematics and theoretical physics. Using examples from differential geometry, finite group theory and...
Read more
COLLOQUIUMS
June 8, 2021 3:00 pmTitle: The two-dimensional Ising model revisited Abstract: I will describe joint work with Constantin Teleman, in which we cast topological eyes on a well-studied system in condensed matter physics. In particular, we...
Read more
COLLOQUIUMS
June 1, 2021 3:00 pmTitle: From Ramanujan to Rokhlin, via quantum groups Abstract: In this talk, intended for a broad audience, I will describe recent work on new q-series invariants of 3-manifolds labeled by...
Read more
COLLOQUIUMS
May 25, 2021 3:00 pmTitle: New Structures in Gravitational Waves Abstract: Mathematical General Relativity (GR) explores the structures and resulting dynamics of gravitational systems. These are described by the Einstein equations, which can be written...
Read more
HARVARD-MIT-BU-BRANDEIS-NORTHEASTERN
April 15, 2021 4:30 pmI’ll discuss recent work using tropical techniques to find new rational cohomology classes in moduli spaces A_g of abelian varieties, building on previous joint work with Galatius and Payne on M_g. I...
Read more
HARVARD-MIT-BU-BRANDEIS-NORTHEASTERN
April 1, 2021 4:30 pmMany models in equilibrium statistical physics produce random fractal curves “at criticality.” I will discuss one particular model, the loop-erased random walk, which is closely related to uniform spanning trees...
Read more
COLLOQUIUMS
March 22, 2021 3:00 pmTitle: Metric representations: Algorithms and Geometry Abstract: Given a data set or a set of distances amongst data points, determining what combinatorial representation is most “consistent” with the input distances or...
Read more
COLLOQUIUMS
March 16, 2021 3:00 pmTitle: Recent progress on random field Ising model Abstract: Random field Ising model is a canonical example to study the effect of disorder on long range order. In 70's, Imry-Ma...
Read more