On the best simultaneous angle approximation in the mean of periodic functions of two variables from some classes

DOI10.3103/s1066369x24700488MaRDI QIDQ6656747

M. O. Akobirshoev

Publication date: 3 January 2025

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

mixed modulus of continuityquasi-polynomialbest joint approximationtrigonometric angle

Mathematics Subject Classification ID

Linear function spaces and their duals (46Exx) Harmonic analysis in one variable (42Axx) Approximations and expansions (41Axx)

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