An invariant for varieties in positive characteristic

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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.
Latex, 11 pages

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Algebraic Geometry

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http://salesiana.dossiersoluciones.com/handle/123456789/63202

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0201246
 http://arxiv.org/abs/math/0201246

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arXiv