Abstract
We present a short proof that, for PEL-type Shimura varieties, subcanonical extensions of automorphic bundles, whose global sections over toroidal compactifications of Shimura varieties are represented by cuspidal automorphic forms, have no higher direct images under the canonical morphism to the minimal compactification, in characteristic zero or in positive characteristics greater than an explicitly computable bound.
Citation
Kai-Wen Lan. Benoît Stroh. "Relative cohomology of cuspidal forms on PEL-type Shimura varieties." Algebra Number Theory 8 (8) 1787 - 1799, 2014. https://doi.org/10.2140/ant.2014.8.1787
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