Direct theorems in the theory of approximation

DOI10.1007/BF01894912zbMath0217.14403OpenAlexW2028696558MaRDI QIDQ5620909

Gen-Ichiro Sunouchi

Publication date: 1969

Published in: Acta Mathematica Academiae Scientiarum Hungaricae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01894912

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Fourier and Fourier-Stieltjes transforms and other transforms of Fourier type (42A38) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Multipliers in one variable harmonic analysis (42A45)

Related Items (4)

Generalized Lipschitz conditions and Riesz derivatives on the space of Bessel potentials ⋮ Problems of saturation of linear methods ⋮ On the direct theorem of saturation ⋮ Imbedding theorems for spaces of hypersingular integrals and Bessel potentials

Cites Work

• On the approximation and saturation by general singular integrals
• Characterization of certain classes of functions
• On determination of the class of saturation in the theory of approximation of functions
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