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Publication:3855645
zbMath0422.42002MaRDI QIDQ3855645
Publication date: 1979
Full work available at URL: https://eudml.org/doc/61901
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Trigonometric approximation (42A10) Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable (26A15) Trigonometric polynomials, inequalities, extremal problems (42A05)
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The modulus of continuity in \(L_ p\) ⋮ On one property of the moduli of continuity for periodic functions of higher orders ⋮ Sharp estimates of approximation in \(L_ p\) by functions of the form \(\phi (x)+\psi (y)\) ⋮ Approximation of periodic functions in \(L_ p\) by linear positive methods and multiple moduli of continuity ⋮ On the total moduli of continuity of \(2\pi\)-periodic functions of two variables in the space \(L_{2,2}\)
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