Defining Relations for Lie Superalgebras with Cartan Matrix

Defining Relations for Lie Superalgebras with Cartan Matrix
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定义李超代数与嘉当矩阵的关系

DOI:
10.1023/a:1026642004008
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发表时间:
1997
期刊:
Czechoslovak Journal of Physics
影响因子:
--
通讯作者:
D. Leites
D. Leites
中科院分区:
--
文献类型:
--
作者:
Pavel Grozmann;D. Leites

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本文完整地描述了具有Cartan矩阵的李超代数的表示,如果它们是多项式增长的单阶分次的。这样的矩阵既不能是整数也不能是可对称的。遇到了非塞尔关系。在某些情况下,有无限多的关系。对于可对称化的Cartan矩阵类似(但不相同)的演示文稿是由Yamane谁也考虑了q-量化版本的这些关系(q-alg 9603015)。山根没有试图找出哪些关系,他提供的构成一个最小的一套产生所有其他的关系;相反,我们给最小的一套定义的关系,并在各种情况下,我们的关系看起来简单得多山根的(虽然仍然非常复杂,在某些情况下)。
We completely describe presentations of Lie superalgebras with Cartan matrix if they are simple ℤ-graded of polynomial growth. Such matrices can be neither integer nor symmetrizable. There are non-Serre relations encountered. In certain cases there are infinitely many relations. For symmetrizable Cartan matrices similar (but not identical) presentations are obtained by Yamane who also considered q-quantized versions of these relations (q-alg 9603015). Yamane did not try to find out which of the relations he offers constitute a minimal set generating all other relations; contrariwise we give minimal sets of defining relations and in various cases our relations look much simpler than Yamane's (though still very complicated in some cases).