Hom-Algebras and Hom-Coalgebras

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The aim of this paper is to develop the theory of Hom-coalgebras and related structures. After reviewing some key constructions and examples of quasi-deformations of Lie algebras involving twisted derivations and giving rise to the class of quasi-Lie algebras incorporating Hom-Lie algebras, we describe the notion and some properties of Hom-algebras and provide examples. We introduce Hom-coalgebra structures, leading to the notions of Hom-bialgebra and Hom-Hopf algebras and prove some fundamental properties and give examples. Finally, we define the concept of Hom-Lie admissible Hom-coalgebra and provide their classification based on subgroups of the symmetric group.
Published in Preprints in Mathematical Sciences, Lund University, Centre for Mathematical Sciences, Centrum Scientiarum Mathematicarum, 2008

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Rings and Algebras, Quantum Algebra, 16W40, 17D25

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http://salesiana.dossiersoluciones.com/handle/123456789/174671

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0811.0400
 http://arxiv.org/abs/0811.0400

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arXiv