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arxiv: 1203.4093 · v1 · pith:O44UBIDDnew · submitted 2012-03-19 · 🧮 math.AG

Relations between some invariants of algebraic varieties in positive characteristic

classification 🧮 math.AG
keywords a-numbercharacteristicinvariantspositiverelationsvarietiesalgebraicartin-mazur
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We discuss relations between certain invariants of varieties in positive characteristic, like the a-number and the height of the Artin-Mazur formal group. We calculate the a-number for Fermat surfaces

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