Matrix units and generic degrees for the Ariki–Koike algebras

Matrix units and generic degrees for the Ariki–Koike algebras
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DOI:
10.1016/j.jalgebra.2004.07.021
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发表时间:
2001-08
期刊:
影响因子:
0.9
通讯作者:
Andrew Mathas
Andrew Mathas
中科院分区:
数学3区
文献类型:
--
作者:
Andrew Mathas

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本文利用Ariki-Koike代数的Murphy基,明确地构造了半单且q ≥ 1的代数的本原幂等元的完备集.作为结果,我们获得了显式Wedderburn基的Ariki-Koike代数。最后,我们利用这些幂等元计算了Ariki-Koike代数的通有度。
This paper uses the Murphy basis of the Ariki–Koike algebras to explicitly construct a complete set of primitive idempotents when these algebras are semisimple and q≠1. As a consequence, we obtain an explicit Wedderburn basis for the Ariki–Koike algebras. Finally, we use these idempotents to compute the generic degrees of the Ariki–Koike algebras.