Recent content by Smitty_687

Thanks for that. It's looking like my best bet at the moment. I was sort of hoping that it would be some piece of common notation that I just hadn't come across, but it's not looking that way at the moment.

So, I'm working my way through a proof, which has been fine so far, except I've hit a bit of notation which has stumped me. Essentially, I have a diffeomorphism f: \mathbb{R}^{n} \to \mathbb{R}^{n} (in this case n = 2, but I assume that's fairly irrelevant), and I have the following norm: \| f...