Hom-quantum groups II: cobraided Hom-bialgebras and Hom-quantum geometry

Details Hom-quantum groups II: cobraided Hom-bialgebras and Hom-quantum geometry Hom-quantum groups II: cobraided Hom-bialgebras and Hom-quantum geometry

2009-07-10

arxiv.org/abs/0907.1880v1

Mathematics

Quantum Algebra

38 pages

Scientific paper

A class of non-associative and non-coassociative generalizations of cobraided bialgebras, called cobraided Hom-bialgebras, is introduced. The non-(co)associativity in a cobraided Hom-bialgebra is controlled by a twisting map. Several methods for constructing cobraided Hom-bialgebras are given. In particular, Hom-type generalizations of FRT quantum groups, including quantum matrices and related quantum groups, are obtained. Each cobraided Hom-bialgebra comes with solutions of the operator quantum Hom-Yang-Baxter equations, which are twisted analogues of the operator form of the quantum Yang-Baxter equation. Solutions of the Hom-Yang-Baxter equation can be obtained from comodules of suitable cobraided Hom-bialgebras. Hom-type generalizations of the usual quantum matrices coactions on the quantum planes give rise to non-associative and non-coassociative analogues of quantum geometry.

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