ISBN-13: 9783034805278 / Angielski / Twarda / 2012 / 220 str.
ISBN-13: 9783034805278 / Angielski / Twarda / 2012 / 220 str.
This book surveys the theoretical foundations of periodic differential operators, and proceeds to offer a coherent review of recent results, relating in particular to the eigenvalue and spectral theory of the Hill and Dirac equations.