Heegner divisors, L-functions and Maass forms
Speaker: Professor Ken Ono (University of Wisconsin-Madison)
Time: 4:00PM
Date: Wed 3rd October 2007
Location: Mathematical Sciences Seminar Room
Abstract
In joint work with Bruinier, we extend work of Waldspurger, Kohnen and Zagier on the values of quadratic twists of modular L-functions. We show that harmonic Maass forms are generating functions for both the values and derivatives of quadratic twists of weight 2 newforms. This work depends on the interplay between Maass-Heegner divisors on Jacobians of modular curves, and Maass forms. In short we obtain a Gross-Kohnen-Zagier theorem for Maass forms.
(This talk is part of the K-Theory, Quadratic Forms and Number Theory series.)
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