Stability of deficiency indices for discrete Hamiltonian systems under bounded perturbations

DOI10.1186/s13662-020-03084-zzbMath1487.39004OpenAlexW3107955046MaRDI QIDQ2144128

Yan Liu, Meiru Xu

Publication date: 1 June 2022

Published in: Advances in Difference Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1186/s13662-020-03084-z

zbMATH Keywords

stabilityperturbationdeficiency indexdiscrete Hamiltonian systemsHermitian relation

Mathematics Subject Classification ID

Weyl theory and its generalizations for ordinary differential equations (34B20) Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25) Discrete version of topics in analysis (39A12) Linear relations (multivalued linear operators) (47A06)

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