Publications

Andrei Badanin, Jochen Brüning, Evgeny Korotyaev
The Lyapunov function for Schrödinger Operators with a periodic 2x2 matrix potential
J. Funct. Anal. 234 (2006), 106 - 126, 2006
URL: http://www.mathematik.hu-berlin.de/~geomanal/bruening_publications/br2006_badanin_korot.pdf