J. Baudin

activity

20232026

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math.AG2026

Cartier crystals and dual-constructible $p$ -torsion complexes

Jefferson Baudin, Kay Rülling

We show that given a Noetherian and $F$ -finite scheme, the fixed point functor on Cartier crystals is fully faithful to the category of sheaves on the flat and relatively perfect s…

math.AG2026

Enriques' characterization of Abelian surfaces in positive characteristic

Jefferson Baudin, Gebhard Martin

Extending Enriques' characterization to algebraically closed fields of characteristic $p \geq 7$ , we show that every smooth projective surface $X$ with $h^{1} (X, O_{X}) = 2$ …

Cartier crystals and dual-constructible p-torsion complexes

Enriques' characterization of Abelian surfaces in positive characteristic

Cartier crystals and dual-constructible $p$ -torsion complexes