Decomposition for Kazhdan-Lusztig basis elements of the affine Hecke algebra of type (A)over-tilde(n-1)

Decomposition for Kazhdan-Lusztig basis elements of the affine Hecke algebra of type (A)over-tilde(n-1)
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(A)over-tilde(n-1) 型仿射 Hecke 代数的 Kazhdan-Lusztig 基元的分解

DOI:
10.1016/j.jpaa.2016.09.011
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发表时间:
2017
影响因子:
0.8
通讯作者:
Xie Xun
Xie Xun
中科院分区:
数学2区
文献类型:
--
作者:
Xie Xun

文献摘要

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对于双边胞腔,我们给出了A n− 1型仿射Hecke代数的Kazhdan-Lusztig基元的分解公式。主要工具是Kazhdan和Lusztig提出的星星算子。在附录中,我们证明了左星星算子与右星星算子即使在不等参数的情况下也是可交换的。
With respect to the two-sided cells, we give a decomposition formula for the Kazhdan–Lusztig basis elements of the affine Hecke algebra of type A˜ n− 1. The main tool is the star operators introduced by Kazhdan and Lusztig. In the appendix, we prove that the left star operator commutes with the right star operator even in the unequal parameter case.