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arXiv:2307.06194 [math.AG]AbstractReferencesReviewsResources

On the Lau group scheme

Vladimir Drinfeld

Published 2023-07-12Version 1

In a 2013 article, Eike Lau constructed a canonical morphism from the stack of $n$-truncated Barsotti-Tate groups over $F_p$ to the stack of n-truncated displays. He also proved that this morphism is a gerbe banded by a commutative group scheme. This e-print is a step towards an explicit description of this group scheme.

Categories: math.AG
Subjects: 14L05, 14F30
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