On the Brauer indecomposability of Scott modules (Research on finite groups, algebraic combinatorics and vertex operator algebras)
On the Brauer indecomposability of Scott modules (Research on finite groups, algebraic combinatorics and vertex operator algebras)
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论斯科特模的布劳尔不可分解性(有限群、代数组合学和顶点算子代数研究)
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发表时间:
2017
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通讯作者:
H. Ishioka
中科院分区:
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作者:
H. Ishioka
by M(Q) the Brauer quotient of M with respect to Q . The Brauer quotient M(Q) is naturally a kN_{G}(Q)‐module. A kG‐module M is said to be Brauer indecomposable if M(Q) is indecomposable or zero as a kQC_{G}(Q) ‐module for any p‐‐subgroup Q of G ([4]). Brauer indecomposability of p‐‐permutation modules is important for constructing stable equivalences of Morita type between blocks of finite groups (see [1]). In [4], a relationship between Brauer indecomposability of p‐permutation modules and saturated fusion systems was given. For a p‐‐subgroup P of G , we denote by \mathcal{F}_{P}(G) the fusion system of G over P . One of the main result in [4] is the following.