Decomposition numbers for the cyclotomic Brauer algebras in characteristic zero

被引:5
|
作者
Bowman, C. [1 ]
Cox, A. G. [2 ]
De Visscher, M. [2 ]
机构
[1] Inst Math Jussieu, F-75013 Paris, France
[2] City Univ London, Ctr Math Sci, London EC1V 0HB, England
关键词
Brauer algebra; Cyclotomic Brauer algebra; Decomposition numbers; SEMISIMPLICITY; RECOLLEMENT; TOWERS;
D O I
10.1016/j.jalgebra.2012.12.020
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We study the representation theory of the cyclotomic Brauer algebra via truncation to idempotent subalgebras which are isomorphic to a product of walled and classical Brauer algebras. In particular, we determine the block structure and decomposition numbers in characteristic zero. (C) 2013 Elsevier Inc. All rights reserved.
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页码:80 / 102
页数:23
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