traciator
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English
[edit]Etymology
[edit](This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Noun
[edit]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[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.