From Modeling and Analysis to Approximation and Fast Algorithms


Friday, December 2

15.00 - 15.10Opening
Chair: Irina Kmit
15.10 - 16.10 Yurii Kolomoitsev
Sharp $L_p$ error estimates for approximation by sampling operators
16.10 - 16.50Coffee break
Chair: Barbara Zwicknagl
16.50 - 17.20Manfred Tasche
On regularized Shannon sampling formulas
17.20 - 17.50Irina Kmit
Hopf bifurcation for general 1D semilinear wave equations with delay
17.50 - 18.20Viktor Tkachenko
Almost periodic solutions of damped wave equation with impulsive action

Saturday, December 3

Chair: Frank Filbir
09.00 - 10.00Paul Catala
On some approximations of the sparse super-resolution problem
10.00 - 10.30Olexandr Burylko
Symmetry breaking yields chimeras in two small populations of Kuramoto-type oscillators
10.30 - 11.00Coffee break
Chair: Viktor Savchuk
11.00 - 11.30Robert Beinert
Phase retrieval in optical diffraction tomography
11.30 - 12.00Kateryna Buryachenko
Maximum principle for fourth-order hyperbolic equations with applications
12.00 - 12.30 Thu Hien Nguyen
Entire functions from the Laguerre-Pólya class and Hutchinson's intervals
12.30 Lunch
Chair: Oleksiy Dovgoshey
14.30 - 15.00Dirk Langemann
Discretization methods as discrete models of a continuous reality
15.00 - 15.30Katja Tüting
Modeling the measurement problem - examples, numerics and uncertainty
15.30 - 16.00Frederic Schoppert
Direction sensitive analysis of higher order jump discontinuities along circles on the sphere
16.00 - 16.45Coffee break
Chair: Ole Christensen
16.45 - 17.15Irina Ryzhkova
Well-possedness and gradient structure of a nonlinear transmission problem for an elastic Bresse beam
17.15 - 17.45Tamara Fastovska
Qualitative properties of solutions to a nonlinear transmission problem for an elastic Bresse beam
17.45 - 18.15 Olesla Zavarzina
Non-expansive bijections and expand-contract plasticity
18.15 - 19.00 Group leader meeting

Sunday, December 4

Chair: Hanna Veselovska
09.00 - 10.00 Christian Rieger
Kernel-based Bayesian methods
10.00 - 10.30Dmytro Sytnyk
Numerical method for efficient evaluation of Hermite kernel with application to data classification
10.30 - 11.00Coffee break
Chair: Paul Catala
11.00 - 11.30Volodymyr Derkach
Riesz basis property for indefinite Sturm-Liouville operator
11.30 - 12.00Ivan Kovalyov
Generalized Darboux transformation of the differential expressions and Weyl-Titchmarsh $m$-coefficient
12.00 - 12.30 Illia Karabash
Leontovich boundary conditions for the Maxwell system and their randomization
12.30 Lunch
14.30 Walking-tour
16.00 - 16.45Coffee break
Chair: Tamara Fastovska
16.45 - 17.15Iryna Karpenko
A Riemann-Hilbert problem approach to the modified Camassa-Holm equation on a step like background
17.15 - 17.45Oleh Melnyk
Alternating amplitude flow for blind ptychography and its convergence
17.45 - 18.15 Hanna Veselovska
Digital halftoning via weighted sigma-delta quantization
18.15 - 18.45 Discussion of future research

Monday, December 5

Chair: Christian Rieger
09.00 - 10.00Ole Christensen
Dynamical sampling and approximate frame representations
10.00 - 10.30Marzieh Hasannasab
Dynamical sampling and phase retrieval
10.30 - 11.00Coffee break
Chair: Illia Karabash
11.00 - 11.30Viktor Savchuk
Exact estimates for K-functionals in the Hardy space on the unit ball of $\mathbb C^d$
11.30 - 12.00Olga Rovenska
An extremal problem for Cesàro means on some class of holomorphic functions
12.00 - 12.30Felix Bartel
Using subsampled quadrature points for function reconstruction
12.30 Lunch
Chair: Yurii Kolomoitsev
14.30 - 15.00Serhii Stasyuk
Sampling in limiting Besov spaces
15.00 - 15.30Kai Lüttgen
Properties and embeddings of Sobolev spaces of dominating mixed smoothness
15.30 - 16.00Anastasiia Panchuk
Border collision bifurcations for chaotic attractors in 1D maps with multiple discontinuities
16.00 - 16.45Coffee break
Chair: Volodymyr Derkach
16.45 - 17.15Aleksandr Kholkin
Fundamental system of solutions of a differential equation with a block-triangular operator potential
17.15 - 17.45Mariia Savchenko
On the asymptotic behavior of solutions to non-uniformly elliptic equations with non-standard growth
17.45 - 18.15 Oleksiy Dovgoshey
Permutations and combinatorial similarities of metric spaces. Why four?

Tuesday, December 6

Chair: Manfred Tasche
09.00 - 10.00Frank Filbir
Shift invariant spaces related to the special affine Fourier transform
10.00 - 10.30Tania Stepaniuk
Edge detection with scaled-discretised wavelets on the sphere
10.30 - 11.00Coffee break
Chair: Dirk Langemann
11.00 - 11.30Olga Karpova
Nonlinear dynamics of Bose-Einstein condensates in branched domains: A metric graph based approach
11.30 - 12.00Bernd Käßemodel
Basics of quantum computing