A note on almost split sequences in the representation category of a finite group(关于有限群表示范畴上几乎可裂序列的注记)
在有限群局部表示理论中,Green对应相当重要,由此可得到一些有趣的应用.本文给出了几乎可裂序列的Green对应.证明了如下结果:设X是不可分解非投射kG-模,Y是相应的不可分解非投射kL-模,那么(i)0→Ω2(X)→(X⊗U)0→X→0是可裂正合列当且仅当0→Ω2(Y)→(Y⊗U)0→Y→0是可裂正合列;(ii)0→Ω2(X)→(X⊗U)0→X→0是几乎可裂正合列当且仅当0→Ω2(Y)-(Y⊗U)0→Y→0是几乎可裂正合列....
Main Authors: | CHENXiao-yuan(陈笑缘), SHIMei-hua(史美华) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2011-03-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2011.02.001 |
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