Estimates for continuity envelopes and approximation numbers of Bessel potentials

DOI10.1016/j.jat.2013.04.005zbMath1293.46020OpenAlexW2084885695WikidataQ57339741 ScholiaQ57339741MaRDI QIDQ390527

Haroske, Dorothee D., Mikhail L. Goldman

Publication date: 8 January 2014

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jat.2013.04.005

zbMATH Keywords

convolutioncompact embeddingrearrangement invariant spacespace of potentialsapproximation numbercontinuity envelope

Mathematics Subject Classification ID

Spaces of measurable functions ((L^p)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) (46E30) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable (26A15) Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Potentials and capacities, extremal length and related notions in higher dimensions (31B15)

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