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math.NA2013★ 4 cited
Approximation of mixed order Sobolev functions on the -torus -- Asymptotics, preasymptotics and -dependence
Thomas Kuehn, Winfried Sickel, Tino Ullrich
We investigate the approximation of -variate periodic functions in Sobolev spaces of dominating mixed (fractional) smoothness on the -dimensional torus, where the appro…
math.CA2013★ 2 cited
The Radial Lemma of Strauss in the Context of Morrey Spaces
Wen Yuan, Winfried Sickel, Dachun Yang
In this paper we consider smoothness and decay properties of radial functions belonging to smoothness spaces related to Morrey spaces (Sobolev-Morrey spaces, Besov-type spaces and…