Simple lie color algebras of weyl type |
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Authors: | Yucai?Su Email author" target="_blank">Kaiming?ZhaoEmail author Linsheng?Zhu |
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Institution: | (1) Department of Mathematics, Shanghai Jiaotong University, 200030 Shanghai, China;(2) Academy of Mathematics and System Sciences, Chinese Academy of Sciences, 100080 Beijing, China;(3) Department of Mathematics, Nanjing University, 210093 Nanjing, China |
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Abstract: | A class of graded simple associative algebras are constructed, and from them, simple Lie color algebras are obtained. The
structure of these simple Lie color algebras is explicitly described. More precisely, for an (ε, Γ)-color-commutative associative algebraA with an identity element over a fieldF of characteristic not 2, and for a color-commutative subalgebraD of color-derivations ofA, denote byAD] the associative subalgebra of End (A) generated byA (regarded as operators onA via left multiplication) andD. It is easily proved that, as an associative algebra,AD] is Γ-graded simple if and only ifA is Γ-gradedD-simple. SupposeA is Γ-gradedD-simple. Then, (a)AD] is a free leftA-module; (b) as a Lie color algebra, the subquotient AD],AD]]/Z(AD])∩AD],AD]] is simple (except one minor case), whereZ(AD]) is the color center ofAD].
This work was supported by NSF of China, National Educational Department of China, Jiangsu Educational Committee, and Hundred
Talents Program of Chinese Academy of Sciences.
These authors were partially supported by Academy of Mathematics and System Sciences during their visit to this academy. |
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