In mathematics, a ribbon category, also called a tortile category, is a particular type of braided monoidal category. == Definition == A monoidal category C {\displaystyle {\mathcal {C}}} is, loosely speaking, a category equipped with a notion resembling the tensor product (of vector spaces, say).
In mathematics, a ribbon category, also called a tortile category, is a particular type of braided monoidal category. == Definition == A monoidal category C {\displaystyle {\mathcal {C}}} is, loosely speaking, a category equipped with a notion resembling the tensor product (of vector spaces, say).
Source: Wikipedia "Ribbon category" · CC BY-SA 4.0
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