Seminar Event Detail


Group, Lie and Number Theory

Date:  Monday, April 03, 2017
Location:  4088 East Hall (3:10 PM to 4:10 PM)

Title:  Parity of ranks of abelian surfaces

Abstract:   Let K be a number field and A/K an abelian surface (dimension 2 analogue of an elliptic curve). By the Mordell-Weil theorem, the group of K-rational points on A is finitely generated and as for elliptic curves, its rank is predicted by the Birch and Swinnerton-Dyer conjecture. A basic consequence of this conjecture is the parity conjecture: the sign of the functional equation of the L-series determines the parity of the rank of A/K. Under suitable local constraints and finiteness of the Shafarevich-Tate group, we prove the parity conjecture for principally polarized abelian surfaces. We also prove analogous unconditional results for Selmer groups.

Files:


Speaker:  Celine Maistret
Institution:  University of Bristol

Event Organizer:   Wei Ho   

 

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