Journal of Algebraic Geometry

Journal of Algebraic Geometry

Online ISSN 1534-7486; Print ISSN 1056-3911

   
 
 

 

On automorphism groups of smooth hypersurfaces


Authors: Song Yang, Xun Yu and Zigang Zhu
Journal: J. Algebraic Geom. 34 (2025), 579-611
DOI: https://doi.org/10.1090/jag/845
Published electronically: January 29, 2025
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Abstract | References | Additional Information

Abstract: We show that smooth hypersurfaces in complex projective spaces with automorphism groups of maximum size are isomorphic to Fermat hypersurfaces, with a few exceptions. For the exceptions, we give explicitly the defining equations and automorphism groups.


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Song Yang
Affiliation: Center for Applied Mathematics and KL-AAGDM, Tianjin University, Tianjin 300072, People’s Republic of China
MR Author ID: 122624
Email: syangmath@tju.edu.cn

Xun Yu
Affiliation: Center for Applied Mathematics and KL-AAGDM, Tianjin University, Tianjin 300072, People’s Republic of China
MR Author ID: 1178446
Email: xunyu@tju.edu.cn

Zigang Zhu
Affiliation: Center for Applied Mathematics and KL-AAGDM, Tianjin University, Tianjin 300072, People’s Republic of China
MR Author ID: 1636249
ORCID: 0009-0000-6955-3277
Email: zhzg0313@tju.edu.cn

Received by editor(s): June 8, 2024
Received by editor(s) in revised form: September 24, 2024, October 28, 2024, November 6, 2024, November 26, 2024, and December 4, 2024
Published electronically: January 29, 2025
Additional Notes: This work was partially supported by the National Natural Science Foundation of China (No. 12171351, No. 12071337, No. 11921001).
Article copyright: © Copyright 2025 University Press, Inc.