On slow decay of Peetre's \(K\)-functional

DOI10.1016/j.jmaa.2020.124653zbMath1457.41007arXiv1906.00394OpenAlexW3089461193MaRDI QIDQ2227600

J. M. Almira Picazo, Pedro Fernández-Martínez

Publication date: 15 February 2021

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1906.00394

zbMATH Keywords

rate of convergenceK-functionalLethargy results

Mathematics Subject Classification ID

Interpolation between normed linear spaces (46B70) Approximation by polynomials (41A10) Rate of convergence, degree of approximation (41A25)

Related Items (1)

On a problem of Lions concerning real interpolation spaces. The quasi-Banach case

Cites Work

• Moduli of smoothness and \(K\)-functionals in \(L_ p\), \(0<p<1\)
• Analytic interpolation of certain multiplier spaces
• Notes on Wolff's Note on Interpolation Spaces
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