DOI: 10.1093/imrn/rnag243 ISSN: 1073-7928

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

Teppei Takamatsu, Shou Yoshikawa

Abstract

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

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