Winfried Sickel

Overview

Best Publications

• Sobolev Spaces of Fractional Order, Nemytskij Operators, and Nonlinear Partial Differential Equations

  Thomas Runst;Winfried Sickel

  1443
  Citations

• Morrey and Campanato Meet Besov, Lizorkin and Triebel

  Wen Yuan;Winfried Sickel;Dachun Yang

  396
  Citations

• Hölder Inequalities and Sharp Embeddings in Function Spaces of $B^s_{pq}$ and $F^s_{pq}$ Type

  Winfried Sickel;Hans Triebel

  164
  Citations

• Tensor products of Sobolev-Besov spaces and applications to approximation from the hyperbolic cross

  Winfried Sickel;Tino Ullrich

  105
  Citations

• On the trace problem for Lizorkin–Triebel spaces with mixed norms

  Jon Johnsen;Winfried Sickel

  102
  Citations

• ENTROPY NUMBERS OF EMBEDDINGS OF WEIGHTED BESOV SPACES. II

  Thomas Kühn;Hans-Gerd Leopold;Winfried Sickel;Leszek Skrzypczak

  95
  Citations

• Smolyak’s Algorithm, Sampling on Sparse Grids and Function Spaces of Dominating Mixed Smoothness

  Winfried Sickel;Tino Ullrich

  86
  Citations

• Interpolation of Morrey-Campanato and related smoothness spaces

  Wen Yuan;Winfried Sickel;DaChun Yang

  86
  Citations

• Optimal approximation of elliptic problems by linear and nonlinear mappings I

  Stephan Dahlke;Erich Novak;Winfried Sickel

  83
  Citations

• Best m-term approximation and Lizorkin–Triebel spaces

  Markus Hansen;Winfried Sickel

  79
  Citations

• Superposition operators and functions of bounded $p$-variation

  Gérard Bourdaud;Massimo Lanza de Cristoforis;Winfried Sickel

  79
  Citations

• Approximation of Mixed Order Sobolev Functions on the d-Torus: Asymptotics, Preasymptotics, and d-Dependence

  Thomas Kühn;Winfried Sickel;Tino Ullrich

  78
  Citations

• Entropy Numbers of Embeddings of Weighted Besov Spaces

  Thomas Kuhn;Hans-Gerd Leopold;Winfried Sickel;Leszek Skrzypczak

  74
  Citations

• The Smolyak agorithm, sampling on sparse grids and functions spaces of dominated mixed smoothness

  Winfried Sickel;Tino Ullrich

  74
  Citations

• A direct proof of Sobolev embeddings for quasi-homogeneous Lizorkin-Triebel spaces with mixed norms

  Jon Johnsen;Winfried Sickel

  70
  Citations

• Pointwise multipliers of Lizorkin-Triebel spaces

  Winfried Sickel

  70
  Citations

• Radial subspaces of Besov and Lizorkin-Triebel classes: Extended strauss lemma and compactness of embeddings

  Winfried Sickel;Leszek Skrzypczak

  70
  Citations

• Optimal approximation of elliptic problems by linear and nonlinear mappings IV: Errors in L2 and other norms

  Stephan Dahlke;Erich Novak;Winfried Sickel

  68
  Citations

• Best m-Term Approximation and Sobolev–Besov Spaces of Dominating Mixed Smoothness—the Case of Compact Embeddings

  Markus Hansen;Winfried Sickel

  66
  Citations

• Spaces of functions of mixed smoothness and approximation from hyperbolic crosses

  Hans-Jürgen Schmeisser;Winfried Sickel

  57
  Citations

• Spline Interpolation on Sparse Grids

  Winfried Sickel;Tino Ullrich

  55
  Citations

• Best m-term aproximation and tensor product of Sobolev and Besov spaces-the case of non-compact embeddings

  Markus Hansen;Winfried Sickel

  30
  Citations

• Interpolation of Morrey-Campanato and Related Smoothness Spaces

  Wen Yuan;Winfried Sickel;Dachun Yang

  21
  Citations

• Approximation of mixed order Sobolev functions on the $d$-torus -- Asymptotics, preasymptotics and $d$-dependence

  Thomas Kuehn;Winfried Sickel;Tino Ullrich

  4
  Citations

• Optimal Approximation of Elliptic Problems by Linear and Nonlinear Mappings II

  Stephan Dahlke;Erich Novak;Winfried Sickel

  3
  Citations