Spaces of Besov-Sobolev type and a problem on nonlinear approximation
DOI10.1016/J.JFA.2022.109775zbMath1517.46024arXiv2112.05539MaRDI QIDQ6385319
Andreas Seeger, Jean Van Schaftingen, Brian Street, Po-Lam Yung, Oscar Dominguez
Publication date: 10 December 2021
Spaces of measurable functions ((L^p)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) (46E30) Function spaces arising in harmonic analysis (42B35) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Fractional derivatives and integrals (26A33) Heat equation (35K05) Functional equations for real functions (39B22) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Interpolation between normed linear spaces (46B70) Inequalities involving derivatives and differential and integral operators (26D10)
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