Dual canonical bases, quantum shuffles and q-characters

Dual canonical bases, quantum shuffles and q-characters
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DOI:
10.1007/s00209-003-0609-9
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发表时间:
2002-09
影响因子:
0.8
通讯作者:
B. Leclerc
B. Leclerc
中科院分区:
数学2区
文献类型:
--
作者:
B. Leclerc

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罗索和绿色已经展示了如何嵌入正部分Uq( )的量子包络代数Uq( )在量子洗牌代数中。本文研究了Uq的对偶标准基B ~* 的象的一些性质( )在此嵌入Φ下。这是因为,当 是Ar型的,Φ(B*)的元素是ap-adic域上的群GL(m)上的仿射Iwahori-Hecke代数的不可约特征标的q-模拟。
Rosso and Green have shown how to embed the positive partUq( ) of a quantum enveloping algebraUq( ) in a quantum shuffle algebra. In this paper we study some properties of the image of the dual canonical basisB*ofUq( ) under this embedding Φ. This is motivated by the fact that when is of typeAr, the elements of Φ(B*) areq-analogues of irreducible characters of the affine Iwahori-Hecke algebras attached to the groupsGL(m) over ap-adic field.