Algebraic Geometry Seminar Spring 2011

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The seminar meets on Fridays at 2:25 pm in Van Vleck B305.

The schedule for the previous semester is here.

Spring 2011

date speaker title host(s)
Jan. 21 Anton Geraschenko (UC Berkeley) Toric Artin Stacks David Brown
Jan. 28 Anatoly Libgober (UIC) Mordell Weil groups of iso-trivial abelian varieties and Alexander polynomials. Laurentiu Maxim
Feb. 18 Tony Várilly-Alvarado (Rice) TBA David Brown
Feb. 25 Bhargav Bhatt (UMich) TBA Jordan Ellenberg

Abstracts

Anatoly Libgober Mordell Weil groups of iso-trivial abelian varieties and Alexander polynomials."

I will discuss a relation between the Mordell-Weil groups of isotrivial abelian varieties over function fields of cyclic coverings of projective plane and the Alexander polynomial of the complement to ramification locus of the latter. The results are based on joint work with J.I.Cogolludo on families of elliptic curves.