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The affine part of the Picard scheme

Part of: Abelian varieties and schemes

Published online by Cambridge University Press:  01 March 2009

Thomas Geisser
Thomas Geisser*
Affiliation:
Department of Mathematics, University of Southern California, 3620 S Vermont Av. KAP 108, Los Angeles, CA 90089-2532, USA (email: geisser@usc.edu)
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Abstract

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We describe the maximal torus and maximal unipotent subgroup of the Picard variety of a proper scheme over a perfect field.

Keywords

Picard schemetorusunipotent subgroupsemi-normalizationétale cohomology

MSC classification

Secondary: 14K30: Picard schemes, higher Jacobians
Type
Research Article
Information
Compositio Mathematica , Volume 145 , Issue 2 , March 2009 , pp. 415 - 422
Copyright
Copyright © Foundation Compositio Mathematica 2009

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