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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Arithmetic Study Group: Spectacle cycles and modular forms

Presented by Jens Funke, Durham University

3 November 2009 15:15 in CM219

Modular symbols are geodesics (both, closed or infinite) in a non-compact quotient X of the Poincare upper half plane by a subgroup of SL_2(Z). The systematic study of modular symbols was initiated by Manin who in particular showed that they span the first (relative) homology of X.
In this talk we extend the Shintani lift from cusp forms to arbitrary modular forms. In particular, we use a (co)homological approach.
This is joint work with John Millson.

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