Approximation of solutions of operator-differential equations by operator polynomials

DOI10.1007/BF02524478zbMath0943.41016OpenAlexW2047990560MaRDI QIDQ4255307

Yu. V. Mytnyk, A. I. Kashpirovskij

Publication date: 10 August 1999

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02524478

zbMATH Keywords

semigroup of operatorsbest approximationFourier-Chebyshev series

Mathematics Subject Classification ID

One-parameter semigroups and linear evolution equations (47D06) Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Linear operator approximation theory (47A58) Approximation by polynomials (41A10)

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