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Dan Petersen: Hyperelliptic curves, scanning, and moments of quadratic L-functions

Tid: To 2022-03-03 kl 14.15 - 16.00

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom

Videolänk: Meeting ID: 921 756 1880

Medverkande: Dan Petersen (Stockholm University)

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Abstract: I will explain a calculation of the stable cohomology of the hyperelliptic mapping class group with coefficients in an arbitrary symplectic representation. The result is closely related to, and provides a geometric interpretation of, a series of conjectures on asymptotics of moments of families of quadratic L-functions. (Joint with J. Bergström, A. Diaconu and C. Westerland).