Boston University Algebra Seminar

Boston University Algebra Seminar -- Spring 2009

Refined class number formulas and Kolyvagin systems

Karl Rubin
(UC Irvine)

Monday, February 2nd at 4:30pm
111 Cummington Street, MCS B33


Abstract

In this talk we will discuss refined class number formulas conjectured by Gross and by Darmon. We will prove (a slight variant of) Darmon's conjecture, using the theory of Kolyvagin systems. This is joint work with Barry Mazur.