Deformation of Algebra Factorisations

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A general deformation theory of algebras which factorise into two subalgebras is studied. It is shown that the classification of deformations is related to the cohomology of a certain double complex reminiscent of the Gerstenhaber-Schack complex of a bialgebra.
12 pages, LaTeX, uses amscd; proof of Theorem 3.1 corrected, new examples and references added; final version to appear in Commun. Algebra

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Rings and Algebras, Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/78572

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9905178
 http://arxiv.org/abs/math/9905178

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arXiv