PBW deformations of quantum symmetric algebras and their group extensions

PBW deformations of quantum symmetric algebras and their group extensions
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量子对称代数的PBW变形及其群扩展

DOI:
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
S. Witherspoon
S. Witherspoon
中科院分区:
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文献类型:
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作者:
Piyush Shroff;S. Witherspoon

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我们研究了量子对称代数的有限群扩展的PBW变形,特别是由第一作者定义的量子德林菲尔德轨道代数。我们用格斯滕哈伯括号给出了参数函数定义量子德林菲尔德轨道代数的充分必要条件的同调解释,从而澄清了这些条件。在作用群平凡的情况下,我们确定了这种PBW变形是彩色李代数的广义包络代数的条件;我们的PBW变形包括这些代数作为一种特殊情况。
We examine PBW deformations of finite group extensions of quantum symmetric algebras, in particular the quantum Drinfeld orbifold algebras defined by the first author. We give a homological interpretation, in terms of Gerstenhaber brackets, of the necessary and sufficient conditions on parameter functions to define a quantum Drinfeld orbifold algebra, thus clarifying the conditions. In case the acting group is trivial, we determine conditions under which such a PBW deformation is a generalized enveloping algebra of a color Lie algebra; our PBW deformations include these algebras as a special case.
非交换 Dunkl 算子和编织 Cherednik 代数
DOI: 10.48550/arxiv.0806.0867
发表时间: 2008
期刊: --
影响因子: --
作者:
Bazlov Y
通讯作者: Bazlov Y