Abstract: While reviewing a recent result in the context of stochastic processes, we stumbled upon a very old theorem of W.H.Young […]

Abstract: Let G be a compact topological group and H be a closed subgroup. Say that (G,H) is a Gelfand pair […]

Abstract: When a matrix is changed (perturbed by a physicist or approximated by a computer) by how much can its eigenvalues […]

Abstract: "The usual methods for studying Waring’s problem (i.e. finding how many $s$-th powers does one need to represent all the […]

Abstract: Ergodic Theory deals with the study of asymptotic behaviour of a dynamical system, which is either a group action, or […]

Abstract: "First presented in 1936, the Fields Medal quickly became one of mathematicians' most prestigious, famous, and in some cases notorious […]

Abstract: In this talk I will talk about a few concepts I learned in group theory during my study at Ashoka. […]

Abstract: Given a finitely generated group G and a finite subset S of its generators, the Cayley graph Γ(G, S) associates […]

Abstract: This will be an extempore talk on how to measure information.

Abstract: This is the second of a two-part introduction to geometric group theory. This talk is on hyperbolic groups and their […]

Abstract: In this simple and heuristic talk using Huffman and Arithmetic compression, we will give a motivation as to why Shannon’s […]

Abstract: Terence Tao posted on his blog a question of Apoorva Khare, asking whether the free group on two generators has […]