All Questions

I am working on a theory of particle physics where we use monads. I have a few conjectures that I need to check. The category of $\mathbb{C}$-modules is monadic over set The category of $\mathbb{N}$...

I am interested in any adjunctions between any of the familiar categories of Groupoids and the category of finite dimensional Hilbert spaces. Do any exist? Are there any well know monads on the ...