Embeddings between Lorentz sequence spaces are strictly but not finitely strictly singular

DOI10.4064/sm220822-10-1OpenAlexW4322748248MaRDI QIDQ6063941

Aleš Nekvinda, Jan Lang

Publication date: 8 November 2023

Published in: Studia Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/sm220822-10-1

zbMATH Keywords

approximation theorySobolev embedding\(s\)-numbersspaces with variable exponent

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) Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Embedding (54C25)

Cites Work

• Strictly singular and strictly co-singular inclusions between symmetric sequence spaces
• Strict s-numbers of non-compact Sobolev embeddings into continuous functions
• Finitely strictly singular operators in harmonic analysis and function theory
• The Rademacher System in Function Spaces
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