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

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

Authors

Institutions

Publication Details

Journal
International Mathematics Research Notices
Published
2026-10-29
DOI
https://doi.org/10.1093/imrn/rnag243
Primary Topic
Algebraic Geometry and Number Theory
Type
article
Field-Weighted Citation Impact
0.00
Controls
|||
ALL TIME
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
article

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

Shou Yoshikawa, Teppei Takamatsu
International Mathematics Research Notices
Algebraic Geometry and Number Theory
article

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

Shou Yoshikawa, Teppei Takamatsu
article en

Abstract

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

International Mathematics Research NoticesVol. 2026(21)
Institute of Science Tokyo (JP), Saitama University (JP)
Openalex Percentile: Top 7%
Algebraic Geometry and Number Theory
DOISourceOpenAlex
AI Navigator

Ask Laika to Summarize, Analyze, and Connect papers live on the map.

Summarize Papers & Methodologies

Extract key findings, datasets, and comparative methods across publications.

Benchmark Rankings & Visual Analytics

Rank top research institutions, authors, funders, topics, and journals by Field-Weighted Citation Impact (FWCI) and paper volume with instant charts.

Connect Distant Disciplines

Bridge topological clusters on the map to find hidden collaborative intersections.

Laika access coming soon
Non-quasi- F -split canonical affine fourfolds exist in every characteristic — Shou Yoshikawa, Teppei Takamatsu · International Mathematics Research Notices (2026) | TGRS Research Map | TGRS