Some perturbation results for quasi-bases and other sequences of vectors
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Publication:6039189
DOI10.1063/5.0131314zbMath1512.46021arXiv2303.10060OpenAlexW4362591244MaRDI QIDQ6039189
Fabio Bagarello, Rosario Corso
Publication date: 4 May 2023
Published in: Journal of Mathematical Physics (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2303.10060
Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Spectrum, resolvent (47A10) Coherent states (81R30) General harmonic expansions, frames (42C15) Summability and bases; functional analytic aspects of frames in Banach and Hilbert spaces (46B15) Nonselfadjoint operator theory in quantum theory including creation and destruction operators (81Q12)
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