The Deligne-Illusie Theorem and exceptional Enriques surfaces

Schroer, S

Schroer, S (corresponding author), Heinrich Heine Univ, Math Inst, D-40204 Dusseldorf, Germany.

EUROPEAN JOURNAL OF MATHEMATICS, ; ():

Abstract

Building on the results of Deligne and Illusie on liftings to truncated Witt vectors, we give a criterion for non-liftability that involves only the d......

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