Quasi-canonical lifting of projective varieties in positive characteristic

Fuente: arXiv
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Main Authors: Ishizuka, Ryo, Shimomoto, Kazuma
Format: Preprint
Published: 2025
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author Ishizuka, Ryo
Shimomoto, Kazuma
author_facet Ishizuka, Ryo
Shimomoto, Kazuma
contents The main aim of this article is to give new classes of smooth projective varieties over characteristic $p>0$ that admit flat liftings over the Witt vectors together with additional data (logarithmic structure and the Frobenius morphism) by showing a descending property of such Frobenius liftability. We establish a refined form of the classical result due to Mehta-Srinivas on the existence of canonical liftings. For this purpose, we also establish a result on the algebraization of certain $p$-adic formal schemes.
format Preprint
id arxiv_https___arxiv_org_abs_2506_01345
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Quasi-canonical lifting of projective varieties in positive characteristic
Ishizuka, Ryo
Shimomoto, Kazuma
Algebraic Geometry
Commutative Algebra
The main aim of this article is to give new classes of smooth projective varieties over characteristic $p>0$ that admit flat liftings over the Witt vectors together with additional data (logarithmic structure and the Frobenius morphism) by showing a descending property of such Frobenius liftability. We establish a refined form of the classical result due to Mehta-Srinivas on the existence of canonical liftings. For this purpose, we also establish a result on the algebraization of certain $p$-adic formal schemes.
title Quasi-canonical lifting of projective varieties in positive characteristic
topic Algebraic Geometry
Commutative Algebra
url https://arxiv.org/abs/2506.01345