Coherent cohomology of Shimura varieties and automorphic forms

Abstract

We show that the cohomology of canonical extensions of automorphic vector bundles over toroidal compactifications of Shimura varieties can be computed by relative Lie algebra cohomology of automorphic forms. Our result is inspired by and parallel to Borel and Franke's work on the cohomology of automorphic local systems on locally symmetric spaces, and also generalizes a theorem of Mumford.

arXiv commentSlightly revised. Appeared in the journal in a different typesetting

References in corpus (1)

• Torsion in the Coherent Cohomology of Shimura Varieties and Galois Representations

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• On Deligne's conjecture for symmetric fourth $L$-functions of Hilbert modular forms