PRISE project 2008
KAM: Kam theory
Hofstadter Butterfly
Office: SciCtr 434
In KAM theory, one has to invert unbounded operators on subspaces of functions. 0 is in the spectrum of the operator. The global picture of the spectrum as a function of the rotation number produces the famous Hofstadter butterfly.
Questions and comments to knill@math.harvard.edu
Oliver Knill | Department of Mathematics | Harvard University