Winfried Sickel

发表

Compact embeddings of radial and subradial subspaces of some Besov-type spaces related to Morrey spaces

Wen Yuan, Winfried Sickel, Dachun Yang, 2013, J. Approx. Theory.

Morrey and Campanato Meet Besov, Lizorkin and Triebel

Wen Yuan, Winfried Sickel, Dachun Yang, 2010, Lecture Notes in Mathematics.

Optimal Approximation of Elliptic Problems II: Wavelet Methods

Erich Novak, Winfried Sickel, Stephan Dahlke, 2004, Algorithms and Complexity for Continuous Problems.

Best m-term approximation and Lizorkin-Triebel spaces

Winfried Sickel, Markus Hansen, W. Sickel, 2011, J. Approx. Theory.

Weyl numbers of embeddings of tensor product Besov spaces

Winfried Sickel, Van Kien Nguyen, W. Sickel, 2014, J. Approx. Theory.

Approximation numbers of Sobolev embeddings - Sharp constants and tractability

Winfried Sickel, Tino Ullrich, Thomas Kühn, 2014, J. Complex..

Spaces of functions of mixed smoothness and approximation from hyperbolic crosses

Winfried Sickel, Hans-Jürgen Schmeißer, W. Sickel, 2004, J. Approx. Theory.

Optimal approximation of elliptic problems by linear and nonlinear mappings I

Erich Novak, Winfried Sickel, Stephan Dahlke, 2006, J. Complex..

Sampling on energy-norm based sparse grids for the optimal recovery of Sobolev type functions in Hγ

Winfried Sickel, Tino Ullrich, Dinh Dung, 2014, J. Approx. Theory.

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

Erich Novak, Winfried Sickel, Stephan Dahlke, 2004, J. Complex..

Entropy numbers of Sobolev embeddings of radial Besov spaces

Winfried Sickel, Thomas Kühn, Hans-Gerd Leopold, 2003, J. Approx. Theory.

Optimal approximation of elliptic problems by linear and nonlinear mappings II

Erich Novak, Winfried Sickel, Stephan Dahlke, 2006, J. Complex..

Optimal approximation of elliptic problems by linear and nonlinear mappings III: Frames

Erich Novak, Winfried Sickel, Stephan Dahlke, 2007, J. Complex..

Sobolev spaces of fractional order, Nemytskij operators, and nonlinear partial differential equations

Winfried Sickel, Thomas Runst, W. Sickel, 1996, de Gruyter series in nonlinear analysis and applications.

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

Winfried Sickel, Tino Ullrich, W. Sickel, 2009, J. Approx. Theory.

Regularity for Robin boundary problems of Laplace equations and Hardy spaces on C1 and (semi-)convex domains

Wen Yuan, Winfried Sickel, Dachun Yang, 2021 .

Besov Regularity for the Poisson Equation in Smooth and Polyhedral Cones

Winfried Sickel, Stephan Dahlke, W. Sickel, 2009 .

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

Winfried Sickel, Markus Hansen, W. Sickel, 2012 .

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

Winfried Sickel, Hans Triebel, H. Triebel, 1995 .

Some error estimates for periodic interpolation of functions from Besov spaces

Winfried Sickel, W. Sickel, F. Sprengel, 1998 .

Superposition of functions in Sobolev spaces of fractional order. A survey

Winfried Sickel, W. Sickel, 1992 .

!ENTROPY NUMBERS OF EMBEDDINGS OF WEIGHTED BESOV SPACES. II

Winfried Sickel, Thomas Kühn, Hans-Gerd Leopold, 2006, Proceedings of the Edinburgh Mathematical Society.

Periodic Spaces and Relations to Strong Summability of Multiple FOURIER Series

Winfried Sickel, W. Sickel, 1985 .

On Besov regularity of solutions to nonlinear elliptic partial differential equations

Winfried Sickel, Stephan Dahlke, W. Sickel, 2020, Nonlinear Analysis.

Composition Operators on Function Spaces with Fractional Order of Smoothness (Harmonic Analysis and Nonlinear Partial Differential Equations)

Winfried Sickel, W. Sickel, G. Bourdaud, 2011 .

Anisotropic Lizorkin–Triebel spaces with mixed norms — traces on smooth boundaries

Winfried Sickel, Jon Johnsen, W. Sickel, 2015, 1608.04575.

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

Winfried Sickel, Markus Hansen, W. Sickel, 2010 .

SAMPLING THEORY AND FUNCTION SPACES

Winfried Sickel, W. Sickel, H. Schmeißer, 2000 .

Interpolation on Sparse Grids and Nikol'skijbesov Spaces of Dominating Mixed Smoothness Running Title: Interpolation on Sparse Grids and Nikol'skijjbesov Spaces

Winfried Sickel, W. Sickel, F. Mathematik, 2007 .

Optimal approximation of multivariate periodic Sobolev functions in the sup-norm

Winfried Sickel, Fernando Cobos, Thomas Kuhn, 2015, 1505.02636.