Penn Arts & Sciences Logo

Galois Seminar

Friday, July 9, 2004 - 3:15pm

Albert Insogna

University of Pennsylvania

Location

University of Pennsylvania

DRL 4N30

Postponed from June 4.

If p is an odd prime, then not every Galois cover of curves with group (Z/p)^2 can be lifted from characteristic p to characteristic 0. This talk presents a recent result of G. Pagot, who showed that if instead p=2, then all such covers must lift.