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Virtual Morita equivalences and Brauer character bijections

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成果类型:
期刊论文
作者:
Huang, Xin
通讯作者:
Huang, X
作者机构:
[Huang, Xin; Huang, X] Cent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R China.
[Huang, Xin; Huang, X] Southern Univ Sci & Technol, Shenzhen Int Ctr Math, Shenzhen 518055, Peoples R China.
通讯机构:
[Huang, X ] C
Cent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R China.
Southern Univ Sci & Technol, Shenzhen Int Ctr Math, Shenzhen 518055, Peoples R China.
语种:
英文
关键词:
Finite groups;p-Blocks;Virtual Morita equivalences;Brauer characters;Alperin's weight conjecture;Navarro's conjecture
期刊:
ARCHIV DER MATHEMATIK
ISSN:
0003-889X
年:
2024
页码:
1-5
基金类别:
China Postdoctoral Science Foundation [2023T160290]; China Postdoctoral Science Foundation
机构署名:
本校为第一且通讯机构
院系归属:
数学与统计学学院
摘要:
We extend a theorem of Kessar and Linckelmann concerning Morita equivalences and Galois compatible bijections between Brauer characters to virtual Morita equivalences. As a corollary, we obtain that the block version of Navarro’s refinement of Alperin’s weight conjecture holds for blocks with cyclic and Klein four defect groups, blocks of symmetric and alternating groups with abelian defect groups, and p-Blocks of $$\textrm{SL}_2(q)$$ and $$\textrm{GL}_2(q)$$ , where p|q.

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