Braided Premonoidal Coherence

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Given a category with a bifunctor and natural isomorphisms for associativity, commutativity and left and right identity we do not assume that extra constraining diagrams hold. We introduce groupoids of coupling trees to describe a version of coherence that is weaker than the usual notion of monoidal coherence.
28 pages, 7 figures

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Category Theory, Quantum Algebra, 18D10, 19D23(primary), 18D50(secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/67886

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0306371
 http://arxiv.org/abs/math/0306371

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arXiv