Some non-trivial Kazhdan-Lusztig coefficients of an affine Weyl group of type n

被引:1
|
作者
SCOTT Leonard [1 ]
机构
[1] Department of Mathematics,University of Virginia
基金
中国国家自然科学基金;
关键词
Kazhdan-Lusztig coeficient; Kazhdan-Lusztig polynomial; first extension group;
D O I
暂无
中图分类号
O152.1 [有限群论];
学科分类号
070104 ;
摘要
In this paper we show that the leading coeficient μ(y,w) of some Kazhdan-Lusztig polynomials Py,w with y,w in an affine Weyl group of type n is n + 2.This fact has some consequences on the dimension of first extension groups of finite groups of Lie type with irreducible coefficients.
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页码:1919 / 1930
页数:12
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