traciator

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English

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Etymology

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Noun

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traciator (plural traciators)

  1. (mathematics) A natural isomorphism of a functor (F) such that F(x⊗y)→F(y⊗x).
    • 2015, André Henriques, David Penneys, James Tener, “Categorified trace for module tensor categories over braided tensor categories”, in arXiv‎[1]:
      This situation lends itself to a diagramatic calculus of `strings on cylinders', where the traciator corresponds to wrapping a string around the back of a cylinder.
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