From Modeling and Analysis to Approximation

Visiting Ukrainian Scientists in Germany in 2022-23

Prof. Dr. Kateryna Buryachenko	Donetsk	10.03.22 - 07.06.22 at Humboldt University Berlin
Prof. Dr. Tamara Fastovska	Kharkiv	14.03.22 - 11.06.22 at Humboldt University Berlin
Prof. Dr. Oleksiy Dovgoshey	Donetsk	14.03.22 - 11.02.23 at University of Lübeck
Dr. Iryna Ryzhkova	Kharkiv	17.03.22 - 14.06.22 at Humboldt University Berlin
Dr. Viktor Tkachenko	Kiev	27.03.22 - 24.06.22 at Humboldt University Berlin
Dr. Olga Rovenska	Kiev	06.09.22 - 30.11.22 at University of Lübeck
Dr. Viktor Savchuk	Kiev	15.09.22 - 27.10.22 at University of Lübeck
Dr. Mariia Savchenko	Donetsk	01.10.22 - 23.12.22 at Technical University Braunschweig
Prof. Dr. Kateryna Buryachenko	Donetsk	10.10.22 - 14.02.23 at Humboldt University Berlin
Dr. Olesla Zavarzina	Kharkiv	01.11.22 - 23.12.22 at Technical University Braunschweig
Dr. Viktor Savchuk	Kiev	07.12.22 - 20.12.22 at University of Lübeck
Dr. Evgeniya Semenova	Kiev	08.02.23 - 14.07.23 at University of Lübeck
Dr. Viktor Savchuk	Kiev	20.02.23 - 20.04.23 at University of Lübeck
Dr. Olesia Zavarzina	Kharkiv	01.04.23 - 31.05.23 at Technical University Braunschweig
Dr. Mariia Savchenko	Donetsk	01.04.23 - 15.06.23 at Technical University Braunschweig
Prof. Dr. Volodymyr Dubovoy	Kharkiv	01.04.23 - 05.07.23 at University of Lübeck
Dr. Iryna Ryzhkova	Kharkiv	15.06.23 - 31.07.23 at Humboldt University Berlin
Prof. Dr. Tamara Fastovska	Kharkiv	15.06.23 - 31.12.23 at Humboldt University Berlin
Dr. Vladimir Krizhanovski	Donetsk	01.07.23 - 31.07.23 at Humboldt University Berlin
Dr. Anatolii Serdyuk	Kiev	09.08.23 - 02.09.23 at University of Lübeck
Dr. Andrii Shidlich	Kiev	09.08.23 - 02.09.23 at University of Lübeck
Dr. Igor Sokolenko	Kiev	09.08.23 - 02.09.23 at University of Lübeck
Dr. Sergii Yanchenko	Kiev	09.08.23 - 02.09.23 at University of Lübeck
Dr. Yuliia Rassokhina	Donetsk	02.08.23 - 31.08.23 at Humboldt University Berlin
Dr. Olesia Zavarzina	Kharkiv	01.09.23 - 31.10.23 at Technical University Braunschweig
Prof. Dr. Volodymyr Dubovoy	Kharkiv	01.09.23 - 30.11.23 at Humboldt University Berlin
Dr. Evgeniy Petrov	Donetsk	06.09.23 - 28.09.23 at University of Lübeck
Dr. Olga Rovenska	Kiev	06.09.23 - 06.11.23 at University of Lübeck
Dr. Evgeniya Semenova	Kiev	06.09.23 - 31.12.23 at University of Lübeck
Prof. Dr. Kateryna Buryachenko	Donetsk	15.11.23 - 31.12.23 at Humboldt University Berlin

Events

Workshop	March 04-08, 2020	Berlin
Winter School	Feb 28 - March 06, 2021	canceled due to Corona
Conference	Dec 2 - Dec 06, 2022	Hasenwinkel
Workshop	Sep 2 - Sep 06, 2023	Hasenwinkel

Workshop Berlin, March 2020

Workshop Hasenwinkel, December 2022

Workshop Hasenwinkel, September 2023

Research Topic Approximation Methods and Analytical Modeling Using Partial Differential Equations

Online Seminar

January 15, 2021	Dr. Yurii Kolomoitsev (Lübeck)	On the Lebesgue constants for convex polyhedra
January 22, 2021	Dr. Andrii Shidlich (Kiev)	Approximation on hexagonal domains by Taylor-Abel-Poisson means
January 29, 2021	Dr. Victor Mikhaylov (St. Petersburg)	Solutions of Toda lattices for semi-bounded initial data and classical moment problem
February 19, 2021	Dr. Irina Kmit (Berlin)	Global Classical Solvability of Nonautonomous Quasilinear Hyperbolic Systems
February 26, 2021	Prof. Dr. Kateryna Buryachenko (Vinnytsia)	Quasilinear Elliptic and Parabolic Equations with Nonstandard Growth Conditions
March 5, 2021	Dr. Viktoriia Filatova, Prof. Dr. Leonid Pestov (Kaliningrad)	Modelling and processing of real data in the Medical Ultrasound Tomography
March 12, 2021	Dr. Iryna Ryzhkova (Kharkiv)	Invariant measures and numerical investigation of limit regimes of ODEs
March 19-21, 2021		International Online Workshop on Approximation Theory Please contact Dr. Andrii Shidlich, shidlich@gmail.com
April 16, 2021	Prof. Dr. Tamara Fastovska (Kharkiv)	Qualitative behavior of solutions to a transmission problem with full von Karman nonlinearity
April 23, 2021	Dr. Tetiana Stepaniuk (Lübeck)	Component-by-component digit-by-digit construction of good polynomial lattice rules in weighted Walsh spaces
May 7, 2021	Prof. Dr. Matthias Eller (Georgetown University, Washington, D.C)	Parametrix for the inverse source problem of thermoacoustic tomography with reduced data
May 14, 2021	Kevin Schober (Lübeck)	Detection of directional singularities with trigonometric shearlets
June 4, 2021	Dr. Illia Karabash (TU Dortmund and Institute of Applied Mathematics and Mechanics of NAS of Ukraine)	Asymptotic distribution of random and deterministic resonances on rough and fine levels
June 11, 2021	Dr. Oleksander Pokutnyi (Institute of Mathematics of NAS of Ukraine)	Dichotomy and bounded solutions of dynamical systems in the Banach and Hilbert spaces
In presence in Lübeck
October 27, 2022	Prof. Dr. Oleksiy Dovgoshey (Institute of Applied Mathematics and Mechanics of NAS of Ukraine)	Uniqueness of best proximity pairs and rigidity of metrics
November 3, 2022	Prof. Dr. Oleksiy Dovgoshey (Institute of Applied Mathematics and Mechanics of NAS of Ukraine)	From graphs to metrics. Uniqueness and rigidity
November 10, 2022	Dr. Olga Rovenska (Institute of Mathematics of NAS of Ukraine, Kiev)	Extremal problems for linear methods of summation of Fourier series
In presence in Braunschweig
October 21, 2022	Mariia Savchenko (Donetsk National Unviersity)	Removability results for the anisotropic porous media equation
November 8, 2022	Dr. Olesia Zavarzina (V.N. Karazin Kharkiv National University)	The plasticity problem and non-expansive bijections

The talks will be at 5:00 p.m. UTC+1h (German time)

Attendees can join the seminar using the following webex link link at that time: https://uni-luebeck.webex.com/meet/juergen.prestin

Partner		Lead Scientist
	Universität zu Lübeck Institute of Mathematics	Jürgen Prestin (Coordinator)
	Humboldt-Universität zu Berlin Arbeitsgruppe Angewandte Analysis	Barbara Zwicknagl Irina Kmit (Coordinator)
	Technische Universität Braunschweig Institut für Partielle Differentialgleichungen	Dirk Langemann
	Immanuel Kant Baltic Federal University, Kaliningrad Institute of Applied Informatics and Mathematical Geophysics	Leonid Pestov
	Russian Academy of Sciences in St. Petersburg St. Petersburg Department of V.A. Steklov Institute of Mathematics	Mikhail Belishev
	St. Petersburg State University Department of Applied Mathematics and Control Processes	Maria Skopina
	Vasyl' Stus Donetsk National University, Vinnytsia Donetsk group of analysis	Volodymyr Derkach
	V. N. Karazin Kharkiv National University School of Mathematics and Informatics Group of Mathematical Physics Research Group	Tamara Fastovska
	National Academy of Sciences of Ukraine Institute of Mathematics Department of Theory of Functions	Andrii Shidlich

Visits

J. Prestin, Institute of Mathematics, 12/2019