An exact estimate of the second derivative in \(L_ p\)

DOI10.1007/BF01142636zbMath0782.42001MaRDI QIDQ1175471

N. Ajnulloev

Publication date: 25 June 1992

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

zbMATH Keywords

inequalitiesmodulus of smoothnesstrigonometric polynomialsexact estimates\(2\pi\)-periodic functionssecond derivative

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Trigonometric polynomials, inequalities, extremal problems (42A05)

Related Items (1)

Two sharp inequalities for operators in a Hilbert space

Cites Work

• Unnamed Item
• Automorphic systems of scalar fields
• Some sharp inequalities in the theory of the approximation of functions.
• On multipliers preserving convergence of trigonometric series almost everywhere

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