Chevalley Supergroups of Type D(2, 1; a)

Chevalley Supergroups of Type D(2, 1; a)
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DOI:
10.1017/s0013091513000503
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发表时间:
2010-06
影响因子:
0.7
通讯作者:
F. Gavarini
F. Gavarini
中科院分区:
数学3区
文献类型:
--
作者:
F. Gavarini

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本文给出了D(2,1; a)型李超代数的连通仿射超群的一个构造,对于参数a的任何可能值。这推广了Fiorini和Gavarini的结果,其中考虑了所有其他的经典型单李超代数。Cartan型单李超代数的情形在作者以前的一篇论文中已经讨论过,因此本文完成了构造与任何单李超代数相关联的连通仿射超群的程序。
Abstract We present a construction ‘à la Chevalley’ of connected affine supergroups associated with Lie superalgebras of type D(2, 1; a), for any possible value of the parameter a. This extends the results by Fioresi and Gavarini, in which all other simple Lie superalgebras of classical type were considered. The case of simple Lie superalgebras of Cartan type is dealt with in a previous paper by the author, so this work completes the programme of constructing connected affine supergroups associated with any simple Lie superalgebra.