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Results tagged with monoidal-categories
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user 10605
3
votes
Special $\Gamma$-categories and symmetric monoidal categories
Tom Leinster's book is very old. For higher category theory 2003 is like a previous epoch. In those times there were many competing definitions of higher category theory and higher algebra, for most o …
- 4,780
4
votes
If a $\otimes$-idempotent object has a dual, must it be self-dual?
Ok, I have no idea how to fix the invariant of string diagrams, but I have an explicit counterexample. Consider the 2-category of distributors $Dist$: its objects are small categories, its morphisms f …
- 4,780