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Enriched categories, topoi, abelian categories, monoidal categories, homological algebra.

5 votes

Any example of a non-strong monad?

I think I've found a nice simple example. Consider a poset of subsets of a topological space, ordered by inclusion. Set intersection induces a monoidal structure. The closure operator $C$ is a monad …
n. m. could be an AI's user avatar