Bessel orbits of normal operators

Given a bounded normal operator A in a Hilbert space and a fixed vector x, we elaborate on the problem of finding necessary and sufficient conditions under which (Akx)k∈N constitutes a Bessel sequence. We provide a characterization in terms of the measure ‖E(⋅)x‖2, where E is the spectral measure of...

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Detalles Bibliográficos
Autor principal: Philipp, F.
Formato: JOUR
Materias:
Bessel sequence
Dynamical sampling
Hankel matrix
Hardy space
Toeplitz matrix
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0022247X_v448_n2_p767_Philipp
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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