Hi, James! Glad to have you here! There's a lot going on in applied category theory, and a lot of it is brand new.
By the way, LaTeX (or more precisely MathJax) is a bit funny here, you wrote
`\\(L^{2})\\`
but you need to write
`\\(L^{2}\\)`
to get things to work: \\(L^{2}\\).