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arXiv:math/0201246 [math.AG]AbstractReferencesReviewsResources

An invariant for varieties in positive characteristic

G. van der Geer, T. Katsura

Published 2002-01-25Version 1

We introduce an invariant of varieties in positive characteristic which generalizes the a-number of an abelian variety. We calculate it in some examples and discuss its meaning for moduli.

Comments: Latex, 11 pages
Categories: math.AG
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