The Stechkin problem for partial derivation operators on classes of finitely smooth functions

DOI10.1007/BF02675793zbMath0983.47033MaRDI QIDQ1581461

S. N. Kudryavtsev

Publication date: 2 April 2001

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

zbMATH Keywords

Stechkin problemclasses of finitely smooth functionspartial derivation operators

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) General theory of partial differential operators (47F05)

Related Items (1)

Extension of functions from isotropic Nikol'skii-Besov spaces and their approximation together with derivatives

Cites Work

• Unnamed Item
• Best approximation of linear operators
• The best accuracy of reconstruction of finitely smooth functions from their values at a given number of points
• Approximation of a partial differential operator by bounded operators on a class of functions of finite smoothness
• Approximation of unbounded operators by bounded operators and related extremal problems

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