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Generalized Characters for Glider Representations of Groups
Algebras and Representation Theory ( IF 0.5 ) Pub Date : 2019-01-08 , DOI: 10.1007/s10468-018-09850-8
Frederik Caenepeel , Fred Van Oystaeyen

Glider representations can be defined for a finite algebra filtration FKG determined by a chain of subgroups 1 ⊂ G1 ⊂… ⊂ Gd = G. In this paper we develop the generalized character theory for such glider representations. We give the generalization of Artin’s theorem and define a generalized inproduct. For finite abelian groups G with chain 1 ⊂ G, we explicitly calculate the generalized character ring and compute its semisimple quotient. The papers ends with a discussion of the quaternion group as a first non-abelian example.

中文翻译:

组滑翔机表示的广义字符

滑翔机表示可以在有限的代数过滤来定义FKG确定由子组1⊂的链ģ 1 ⊂...⊂ ģ d = g ^。在本文中,我们为此类滑翔机表示开发了广义字符理论。我们对Artin定理进行了推广,并定义了广义乘积。对于有限阿贝尔群G ^与链1⊂ ģ,我们明确地计算广义字符环和计算其半单商数。论文最后以四元数组作为第一个非阿贝尔算例进行了讨论。
更新日期:2019-01-08
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