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Title
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General twisting of algebras
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Author
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Abstract
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| We introduce the concept of pseudotwistor (with particular cases called twistor and braided twistor) for an algebra (A, mu, u) in a monoidal category, as a morphism T: A circle times A -> A circle times A satisfying a list of axioms ensuring that (A, mu o T, u) is also an algebra in the category. This concept provides a unifying framework for various deformed (or twisted) algebras from the literature, such as twisted tensor products of algebras, twisted bialgebras and algebras endowed with Fedosov products. Pseudotwistors appear also in other topics from the literature, e.g. Durdevich's braided quantum groups and ribbon algebras. We also focus on the effect of twistors on the universal first order differential calculus, as well as on lifting twistors to braided twistors on the algebra of universal differential forms. (C) 2006 Elsevier Inc. All rights reserved. |
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Language
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English
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Source (journal)
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Advances in mathematics. - New York, N.Y.
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Publication
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New York, N.Y.
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2007
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ISSN
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0001-8708
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DOI
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10.1016/J.AIM.2006.10.003
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Volume/pages
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212
:1
(2007)
, p. 315-337
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ISI
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000247015700011
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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