|Date: Wednesday, January 31, 2018
Location: 1866 East Hall (3:00 PM to 4:00 PM)
Title: Tate-Shafarevich group and class group
Abstract: A lot of people said that Tate-Shafarevich group is an analog of class group of a field. In the talk I will take a review of some basic definitions and show that Sha of the group of units of a number field K gives the ideal class group of K. We might also talk about some further interpretation of Sha in number fields.
Speaker: Yiwang Chen