A tensor category is strict if the maps , , and are always identities.
A related notion is that of a tensor R-category.
A tensor category is strict if the maps , , and are always identities.
A related notion is that of a tensor R-category.
This entry contributed by Christopher Stover
Stover, Christopher. "Strict Tensor Category." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/StrictTensorCategory.html