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arXiv 0909.0726math.RAmath-phmath.MP
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Hom-Novikov代数

Hom-Novikov algebras

Donald Yau

摘要:

我们研究了Novikov代数的一个扭曲推广,称为Hom-Novikov代数,其中两个定义恒等式被一个线性映射扭曲。证明了通过任意代数自同态的扭曲,可以从Novikov代数得到Hom-Novikov代数。计算了二维和三维复Novikov代数上的所有代数自同态,并明确地描述了它们的Hom-Novikov代数.另一类Hom-Novikov代数是由Hom-交换代数加上一个导子构造的,推广了Dorfman和Gel'fand的构造.另外两类Hom-Novikov代数是由Hom-李代数加上一个合适的线性自同态构造的,推广了Bai和Meng的一个构造.

英文摘要:

We study a twisted generalization of Novikov algebras, called Hom-Novikov algebras, in which the two defining identities are twisted by a linear map. It is shown that Hom-Novikov algebras can be obtained from Novikov algebras by twisting along any algebra endomorphism. All algebra endomorphisms on complex Novikov algebras of dimensions two or three are computed, and their associated Hom-Novikov algebras are described explicitly. Another class of Hom-Novikov algebras is constructed from Hom-commutative algebras together with a derivation, generalizing a construction due to Dorfman and Gel'fand. Two other classes of Hom-Novikov algebras are constructed from Hom-Lie algebras together with a suitable linear endomorphism, generalizing a construction due to Bai and Meng.

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