August 1, 2010April 8, 2020 Almost Mathieu Operator How does the spectrum of the following operator look? https://arxiv.org/pdf/0908.1093.pdf Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like Loading... Related
=\psi(n+1)+\psi(n-1)+2 \lambda \cos (2 \pi(\omega+n \alpha)) \psi(n)](https://s0.wp.com/latex.php?latex=%5Cdisplaystyle+%5Cleft%5BH_%7B%5Comega%7D%5E%7B%5Clambda%2C+%5Calpha%7D+%5Cpsi%5Cright%5D%28n%29%3D%5Cpsi%28n%2B1%29%2B%5Cpsi%28n-1%29%2B2+%5Clambda+%5Ccos+%282+%5Cpi%28%5Comega%2Bn+%5Calpha%29%29+%5Cpsi%28n%29+&bg=ffffff&fg=000000&s=0&c=20201002)
A Neighbourhood Of Infinity 