Construction of arbitrary Kazhdan-Lusztig polynomials in symmetric groups

Construction of arbitrary Kazhdan-Lusztig polynomials in symmetric groups
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对称群中任意 Kazhdan-Lusztig 多项式的构造

DOI:
10.1090/s1088-4165-99-00074-6
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发表时间:
1999
期刊:
Representation Theory of The American Mathematical Society
影响因子:
--
通讯作者:
P. Polo
P. Polo
中科院分区:
--
文献类型:
--
作者:
P. Polo

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对于每个具有d次非负整系数且常数项等于1的多项式P,我们在对称群S_n中关联一对元素(y,w),其中n=1+d+P(1),使得Kazhdan-Lusztig多项式P_y,w等于P。这个对满足L(W)−L(Y)=2d+P(1)−1,其中L(W)表示w的逆数。
To each polynomial P with integral nonnegative coefficients and constant term equal to 1, of degree d, we associate a certain pair of elements (y, w) in the symmetric group Sn, where n = 1 + d + P (1), such that the Kazhdan-Lusztig polynomial Py,w equals P . This pair satisfies l(w) − l(y) = 2d + P (1) − 1, where l(w) denotes the number of inversions of w.