Generalized derivatives and approximation in weighted Lorentz spaces

zbMath1375.41011MaRDI QIDQ1676401

Ramazan Akgün, Yunus Emre Yıldırır

Publication date: 7 November 2017

Published in: Bulletin of the Belgian Mathematical Society - Simon Stevin (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.bbms/1506477686

zbMATH Keywords

modulus of smoothnesstrigonometric polynomialsMuckenhoupt weightweighted Lorentz spacesdirect and inverse theorem

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Rate of convergence, degree of approximation (41A25) Inverse theorems in approximation theory (41A27)

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