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Speaker:
Milton Espinoza
Affiliation:
Universidad de La Serena/MPIM
Date:
Wed, 08/02/2023 - 14:30 - 15:30
Location:
MPIM Lecture Hall
Parent event:
Number theory lunch seminar Hybrid. Contact: Pieter Moree (moree@mpim...)
In this talk, we will introduce a group cocycle Z on PGL_2(Q) whose construction relies upon zeta functions of Barnes and Hurwitz. One of the advantages of this cocycle is that it allows us to endow all the Taylor coefficients of Z at s=0 with the same (cohomological) property. If time permits, we will also discuss some applications to the study of ray class zeta functions over real quadratic fields.
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