Generalized twistors of nonlocal vertex algebras
Jiancai SUN(
Department of Mathematics, Shanghai University, Shanghai 200444, China
Abstract ：We introduce and study the concept of (weak) pseudotwistor for a nonlocal vertex algebra, as a generalization of the notion of twistor. We give the relations between pseudotwistors and twisting operators. Furthermore, we study the inverse of an invertible weak pseudotwistor and the composition of two weak pseudotwistors.
Key words ：
Twistor
pseudotwistor
nonlocal vertex algebra
twisting operator
收稿日期: 2015-07-20
出版日期: 2017-04-20
Corresponding Author(s):
Jiancai SUN
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