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Remarks on Besov spaces and best polynomial approximation

Authors: Z. Ditzian and V. Totik
Journal: Proc. Amer. Math. Soc. 104 (1988), 1059-1066
MSC: Primary 41A10; Secondary 26A16, 41A17, 41A27
MathSciNet review: 969047
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Abstract: Besov-type spaces that are generated by new moduli of smoothness are related to sequence spaces of $ \left\{ {{E_n}\left( f \right)} \right\}$ where $ {E_n}\left( f \right)$ is the appropriate best algebraic polynomial approximation.

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Article copyright: © Copyright 1988 American Mathematical Society

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