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Spectral Analysis of Differential Operators by Fedor Rofe-beketov

Posted By: BUGSY
Spectral Analysis of Differential Operators by Fedor Rofe-beketov

Spectral Analysis of Differential Operators: Interplay Between Spectral and Oscillatory Properties (World Scientific Monograph Series in Mathematics, Vol. 7) by Fedor Rofe-beketov
English | Aug 30, 2005 | ISBN: 9812562761 | 463 Pages | DJVU | 2 MB

This is the first monograph devoted to the Sturm oscillatory theory for infinite systems of differential equations and its relations with the spectral theory. It aims to study a theory of self-adjoint problems for such systems, based on an elegant method of binary relations. Another topic investigated in the book is the behavior of discrete eigenvalues which appear in spectral gaps of the Hill operator and almost periodic Schrödinger operators due to local perturbations of the potential (e.g., modeling impurities in crystals).