Non-quasi- F -split canonical affine fourfolds exist in every characteristic

International Mathematics Research Notices 2026 Open access

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Authors: Teppei Takamatsu, Shou Yoshikawa
DOI: 10.1093/imrn/rnag243
Cited by: 0

Abstract

Abstract We construct canonical $\mathbb{Q}$-factorial Gorenstein affine fourfolds in every positive characteristic that are not quasi-$F$-split.

Fields of Study & Subjects

Algebraic Geometry and Number Theory Commutative Algebra and Its Applications Geometry and complex manifolds

Publication details

Journal / source
International Mathematics Research Notices
Volume
2026
Issue
21
Publication date
29 October 2026
Language
EN