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arXiv math-ph/0312042math-phmath.MPnlin.SI
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自由生成顶点代数与非线性李共形代数

Freely generated vertex algebras and non-linear Lie conformal algebras

Alberto De Sole, Victor Kac

摘要:

引入了非线性李共形超代数的概念,并证明了它的泛包络顶点代数的PBW定理。我们还证明了,反之,任何分次自由生成顶点代数都是非线性李共形超代数的泛包络代数。这一对应关系将在以后的工作中应用于单阶化顶点代数的分类问题。

英文摘要:

We introduce the notion of a non--linear Lie conformal superalgebra and prove a PBW theorem for its universal enveloping vertex algebra. We also show that conversely any graded freely generated vertex algebra is the universal enveloping algebra of a non--linear Lie conformal superalgebra. This correspondence will be applied in the subsequent work to the problem of classification of finitely generated simple graded vertex algebras.

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