On spectral approximations of unbounded operators

DOI10.1007/s11785-019-00923-0zbMath1494.47020OpenAlexW2942607420WikidataQ127945312 ScholiaQ127945312MaRDI QIDQ2279020

Marian Dmytryshyn, O. V. Lopushans'kii

Publication date: 12 December 2019

Published in: Complex Analysis and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11785-019-00923-0

zbMATH Keywords

spectral approximationsBernstein-Jackson inequalities

Mathematics Subject Classification ID

Linear operator approximation theory (47A58) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17)

Related Items (2)

Bernstein-Jackson inequalities on Gaussian Hilbert spaces ⋮ Approximation by interpolation spectral subspaces of operators with discrete spectrum

Cites Work

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• Analytic vectors
• Approximation spaces
• Bernstein-Jackson-type inequalities and Besov spaces associated with unbounded operators
• Interpolation of normed Abelian groups
• Approximation and Besov Spaces on Stratified Groups
• Generalized approximation spaces and applications
• Direct and Inverse Theorems in the Theory of Approximation by the Ritz Method
• Sharp Jackson-type inequalities for approximations of classes of convolutions by entire functions of exponential type
• On operators with a separable spectrum

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