On Kolmogorov widths of classesB p,? r of periodic functions of many variables with low smoothness in the spacel q

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Harmonic analysis in several variables (42B99) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

Related Items (7)

Gelfand numbers of embeddings of mixed Besov spaces ⋮ Bernstein numbers of embeddings of isotropic and dominating mixed Besov spaces ⋮ \(N\)-widths and average widths of Besov classes in Sobolev spaces ⋮ Weyl numbers of embeddings of tensor product Besov spaces ⋮ Best \(m\)-term trigonometric approximation of periodic functions of several variables from Nikol'skii-Besov classes for small smoothness ⋮ Spectral properties of Burgers and KPZ turbulence ⋮ Average widths of anisotropic Besov-Wiener classes.

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