Events for 04/27/2023 from all calendars

Working Seminar on Banach and Metric Spaces

Time: 10:00AM - 11:30AM

Location: BLOC 302

Speaker: Ryan Malthaner, Texas A&M University

Title: An Introduction to Markov type

Number Theory Seminar

Time: 2:30PM - 3:30PM

Location: BLOC 302

Speaker: Agniva Dasgupta, Texas A&M University

Title: Second Moment of Twisted Cusp Forms Along a Coset

Abstract: We prove Lindelöf-on-average upper bound for the second moment of the L-function associated to a level 1 holomorphic cusp form, twisted along a coset of subgroup of the characters modulo q^{2/3} (where q = p^3 for some odd prime p). This result should be seen as a q-aspect analogue of Anton Good’s (1982) result on upper bounds of the second moment of cusp forms in short intervals.

Noncommutative Geometry Seminar

Time: 4:00PM - 5:00PM

Location: BLOC 302

Speaker: Koichi Oyakawa, Vanderbilt University

Title: Bi-exactness of relatively hyperbolic groups

Abstract: Bi-exactness is an analytic property of groups defined by Ozawa and of fundamental importance to the study of operator algebras. In this talk, I will show that finitely generated relatively hyperbolic groups are bi-exact if and only if all peripheral subgroups are bi-exact. This is a generalization of Ozawa's result which claims that finitely generated relatively hyperbolic groups are bi-exact if all peripheral subgroups are amenable.