Nice! I’m glad I asked, since I hadn’t realised those sufficient conditions for being homotopic to the identity. That’s useful in several proofs I suspect. (For anyone following along, I believe this only holds for a morphism from a frame to itself.)
Nice! I’m glad I asked, since I hadn’t realised those sufficient conditions for being homotopic to the identity. That’s useful in several proofs I suspect. (For anyone following along, I believe this only holds for a morphism from a frame to itself.)