Mecklenburg Workshop
Approximation Methods and Function Spaces



Chair: Jürgen Prestin
15.00 - 16.00Hans-Jürgen Schmeißer
Mapping properties of operators in Morrey-type spaces
16.00 - 16.30Coffee break
Chair: Luboš Pick
16.30 - 17.00Vít Musil
Optimality of Orlicz domain in Sobolev embeddings
17.00 - 17.30Andrii Shidlich
Approximative characteristics of diagonal operators in Orlicz sequence spaces
17.30 - 18.00Sergiy Yanchenko
Approximation of the Nikol'skii--Besov classes with dominating mixed smoothness by entire functions of a special form


Chair: Tino Ullrich
09.00 - 10.00Vladimir N. Temlyakov
Constructive sparse trigonometric approximation and other problems for functions with mixed smoothness
10.00 - 10.30Dinh Dũng
Hyperbolic cross approximation in infinite dimensions
10.30 - 11.00Coffee break
Chair: Daniel PottsChair: Jan Vybíral
11.00 - 11.30Lutz Kämmerer
Reconstructing multivariate trigonometric polynomials from samples along multiple rank-1 lattices
Felix Krahmer
Compressive sensing with redundant dictionaries and structured measurements
11.30 - 12.00Toni Volkmer
Fast and stable reconstruction of multivariate high-dimensional algebraic polynomials in Chebyshev form based on samples at rank-1 Chebyshev lattice nodes
Stefan Loock
Near-field phase retrieval with sparsity constraints
12.00 - 12.30Béatrice Vedel
Hyperbolic wavelet analysis of textures: from anisotropic Besov spaces to applied multifractal analysis
David James
Matrix factorization with binary components
Chair: Erich Novak
14.30 - 15.30Stephan Dahlke
The state of the art in Besov regularity for elliptic operator equations
15.30 - 16.00Markus Weimar
On optimal wavelet approximations in spaces of Besov type
16.00 - 16.30Coffee break
Chair: Gérard BourdaudChair: Frank Filbir
16.30 - 17.00Markus Hansen
New regularity results for elliptic PDEs and application to adaptive approximation methods
Max Kontak
Greedy approximation of probability density functions and its application to the simulation of technical textiles
17.00 - 17.30Massimo Lanza de Christoforis
Composition operators and analyticity of nonlinear integral operators
Volker Michel
Greedy approximation and regularization in medical imaging and the geosciences
17.45 - 18.15 Cornelia Schneider
Sobolev spaces on Riemannian manifolds with bounded geometry: general coordinates and traces
Peter Oswald
Randomized Schwarz iterations


Chair: Hans-Jürgen Schmeißer
09.00 - 10.00Leszek Skrzypczak
Compactness, co-compactness and functions with symmetry conditions
10.00 - 10.30Lenka Slavíková
Norms supporting the Lebesgue differentiate theorem
10.30 - 11.00Coffee break
Chair: M. Lanza de Christoforis
11.00 - 11.30Mikhail L. Goldman
Optimal Calderón spaces for Bessel potentials
11.30 - 12.30Gérard Bourdaud
Composition operators in critical Besov spaces


Chair: Vladimir N. Temlyakov
09.00 - 10.00Thomas Kühn
Optimal approximation of multivariate periodic functions
Chair: Jan Schneider
10.00 - 10.30Dauren Bazarkhanov
Estimates for some widths of multivariate periodic function classes
Jörn Schnieder
A test for functions to be in the Jacobi-weighted Hardy-space
10.30 - 11.00Coffee break
Chair: Wolfgang Erb
11.00 - 11.30Ronny Bergmann
The anisotropic periodic Strang-Fix conditions
Johannes Nagler
Lower estimates for positive linear operators
Chair: Volker Michel
11.30 - 12.00Ulrich von der Ohe
A Prony method for multivariate exponential sums
Michael Quellmalz
Optimal mollifiers for spherical deconvolution
12.00 - 12.30Marius Wischerhoff
Reconstruction of structured functions from sparse Fourier data
Katrin Seibert
Concentration problem of tensor fields on the sphere
Chair: Winfried Sickel
14.30 - 15.30Luboš Pick
Traces of Sobolev functions -- old and new
15.30 - 16.00Andreas Seeger
Haar bases in Sobolev spaces
16.00 - 16.30Coffee break
Chair: Markus HansenChair: Henning Kempka
16.30 - 17.00Serhii Stasyuk
m-term trigonometric approximation of Nikol'skii-Besov classes
Jan Vybíral
Lorentz spaces of variable integrability
17.00 - 17.30Tetiana Lomako
Sharp estimates of approximation of functions in Hölder spaces
Alexander Tyulenev
New Besov-type space of variable smoothness and the problem of traces for the weighted Sobolev space
17.45 - 18.15Yurii Kolomoitsev
Sharp Ulyanov inequalities in quasi-normed spaces
Dorothee D. Haroske
Lipschitz continuity and unboundedness in smoothness Morrey Spaces


Chair: Stephan Dahlke
09.00 - 10.00Erich Novak
Complexity of oscillatory integrals
Chair: Markus Weimar
10.00 - 10.30Sebastian Mayer
Sampling ridge functions on the cube - complexity results
Robert J. Kunsch
Bernstein numbers and the Monte Carlo error
10.30 - 11.00Coffee break
Chair: Aicke Hinrichs
11.00 - 11.30Mario Ullrich
Numerical integration of functions with mixed smoothness
Van Kien Nguyen
Bernstein numbers of embeddings of isotropic Besov spaces
11.30 - 12.30Henryk Woźniakowski
Tractability of standard and linear information in different settings