Monday, September 10  

16.00  16.30  Opening  
Chair: Stefan Kunis  
16.30  17.00  Lutz Kämmerer Fast Fourier Transform methods for sparse multivariate trigonometric polynomials and approximation properties  
17.00  17.30  Robert Nasdala Transformed rank1 lattices for highdimensional approximation  
17.30  18.00  Matthias Beckmann Saturation rates for filtered back projection  
18.00  18.30  Kevin Schober Multivariate directional wavelet systems on the torus 

Tuesday, September 11 

Chair: Armin Iske  
09.00  10.00  Ole Christensen Frames and dynamical sampling  
10.00  10.30  Robert J. Kunsch Solvable integration problems and optimal sample size selection  
10.30  11.00  Coffee break  
Chair: Martin Ehler  
11.00  11.30  Dirk Langemann Mathematical modeling as an approximation problem  
11.30  12.00  Ronny Bergmann A variational model for data fitting on manifolds by minimizing the acceleration of a Bézier curve  
12.00  12.30  Niklas Wagner Combining adaptive thinning with graph signal processing  
12.30  Lunch  
Chair: Ole Christensen  
14.30  15.30  Karla Rost Restricted inversion of splitBezoutians  
15.30  16.00  Michael Eiermann Computing the derivative of a matrix function, with an application to parameter identification problems for the heat equation 

16.00  16.30  Coffee break  
Chair: Yurii Kolomoitsev  
16.30  17.00  Woula Themistoclakis Uniform polynomial approximation on the sphere 

17.00  17.30  Michael Skrzipek Zeros of polynomials used in frequency analysis 

17.30  18.00  Andrii L. Shidlich Direct and inverse approximation theorems of functions in the Orlicz type spaces  
18.00  18.30  Serhii Stasyuk Sparse trigonometric approximation of periodic functions with mixed smoothness  
Wednesday, September 12 

Chair: Frank Filbir  
09.00  10.00  Lothar Reichel Generalized Krylov subspace methods for $\ell_p$$\ell_q$ minimization with application to image restoration  
10.00  10.30  Sara KrauseSolberg A tractable approach for 1bit compressed sensing on manifolds  
10.30  11.00  Coffee break  
Chair: Ute Schreiber  
11.00  11.30  Florian Boßmann Shifted rank1 approximation and its application in Geophysics  
11.30  12.00  Stefan Alexander Kahler On nonnegative linearization of orthogonal polynomials  
12.00  12.30  Michael Quellmalz The conebeam transform and spherical convolution operators  
12.30  Lunch  
Chair: Michael Skrzipek  
14.30  15.00  Marzieh Hasannasab Frames and operator representations of frames 

15.00  15.30  Ralf Hielscher Isomorphic embeddings of quotients of the rotation group  
15.30  16.00  Coffee break  
16.00  Walkingtour  
19.00  Conference dinner  
Thursday, September 13 

Chair: Manfred Tasche  
09.00  10.00  Frank Filbir Phase retrieval from shorttime Fourier measurements  
10.00  10.30  Robert Beinert Phase retrieval of nonuniform splines by Prony's method 

10.30  11.00  Coffee break  
Chair: Dirk Langemann  
11.00  11.30  Thomas Peter A randomized multivariate matrix pencil method 

11.30  12.00  Hanna Veselovska Bivariate Pronytype polynomials 

12.00  12.30  Dominik Nagel Condition numbers of Vandermonde matrices with nearlycolliding nodes 

12.30  Lunch  
Chair: Peter Junghanns  
14.30  15.30  Yurii Kolomoitsev Approximation by generalized KantorovichKotelnikov sampling operators 

15.30  16.00  Gisela Pöplau More trouble with tribbles − Investigation on the ion motion towards clearing electrodes in a particle accelerator  
16.00  16.30  Coffee break  
Chair: Karla Rost  
16.30  17.00  Sina Bittens Real sparse fast DCT for vectors with short support 

17.00  17.30  Melanie Kircheis A frametheoretical approach to the inversion of the NFFT 

17.30  18.00  Franziska Nestler Parameter tuning for the nonuniform FFT and applications  
18.00  18.30  Manuel Gräf Nonequispaced fast Fourier transforms on the Grassmannian manifold $G_{2,4}$  
Friday, September 14 

Chair: Lothar Reichel  
09.00  10.00  Armin Iske Modelbased design of kernel approximation methods for data analysis  
10.00  10.30  Peter Junghanns An integral equation to minimize airplane drag 

10.30  11.00  Coffee break  
Chair: Michael Eiermann  
11.00  11.30  Markus Weimar On the regularity of solutions to quasilinear PDEs 

11.30  12.00  Martin Ehler Discrepancy kernels on the special orthogonal group and the Grassmannian  




