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traciator. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
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Noun
traciator (plural traciators)
- (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: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.