Aravind Asok: Counting projective modules over arithmetic rings
Tid: Ti 2017-04-25 kl 15.00 - 16.00
Föreläsare: Aravind Asok, The University of Southern California
Plats: Institut Mittag-Leffler, Auravägen 17, Djursholm
Abstract: It is a classical fact that if R is the ring of integers in a number field or the ring of regular functions on a smooth affine curve over a finite field, then the Picard group of R is finite. I will discuss some higher-dimensional/higher-rank variants of this result.