Hecke-Clifford Algebras and Spin Hecke Algebras I: The Classical Affine Type

Hecke-Clifford Algebras and Spin Hecke Algebras I: The Classical Affine Type
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Hecke-Clifford 代数和自旋 Hecke 代数 I:经典仿射类型

DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
Weiqiang Wang
Weiqiang Wang
中科院分区:
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文献类型:
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作者:
T A Khongsap;Weiqiang Wang

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结合经典的Weyl群,我们引入了退化自旋仿射Hecke代数和仿射Hecke-Clifford代数的概念。对于这些代数,我们建立PBW性质,制定的交织和描述的中心。我们进一步发展这些代数与通常的退化(即,通过引入退化覆盖仿射Hecke代数的概念,得到了Lusztig的(阶化)仿射Hecke代数.
Associated to the classical Weyl groups, we introduce the notion of degenerate spin affine Hecke algebras and affine Hecke-Clifford algebras. For these algebras, we establish the PBW properties, formulate the intertwiners and describe the centres. We further develop connections of these algebras with the usual degenerate (i.e., graded) affine Hecke algebras of Lusztig by introducing a notion of degenerate covering affine Hecke algebras.