英和和英

名詞

traciator (複数形 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.