ON THE INSTABILITY OF THE ESSENTIAL SPECTRUM FOR BLOCK JACOBI MATRICES
Idioma
en
Article de revue
Este ítem está publicado en
Constructive Approximation. 2018, vol. 48, n° 3, p. 473-500
Springer Verlag
Resumen en inglés
We are interested in the phenomenon of the essential spectrum instability for a class of unbounded (block) Jacobi matrices. We give a series of sufficient conditions for the matrices from certain classes to have a discrete ...Leer más >
Palabras clave en inglés
unbounded (block) Jacobi matrices
instability of the essential spectrum
Levinson's asymptotic theory
Gilbert-Pearson subordinacy theory