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Current Problems in Numerical Analysis

usually takes place each Friday, at 09:00 in IM, front building, third floor
Chair: Michal Křížek, Pavel Kůs, Jakub Šístek, Tomáš Vejchodský
Old web page with the seminar history: http://users.math.cas.cz/~okmma/

Paradoxes in Special Relativity

Michal Křížek
Institute of Mathematics of the CAS
Friday, 24. January 2020 - 9:00 to 10:00

Existence of well-centered simplicial face-to-face tiling of five-dimensional space

Radim Hošek
University of West Bohemia
Friday, 31. January 2020 - 9:00 to 10:00

Linear algebraic solvers in Cosmic Microwave Background data analysis

Jan Papež
Institute of Mathematics of the CAS
Friday, 14. February 2020 - 9:00 to 10:00
Cosmic Microwave Background (CMB) is currently one of the most efficient probes of the early Universe. Among its keystone problems, there is an estimation of a signal from a very large noisy data. This represents a computationally challenging problem as the size of CMB datasets is expected to reach 10^15 in a near future.
We briefly discuss CMB data analysis, present two applications - map-making and parametric component separations - and focus on solvers and preconditioners for the arising linear algebraic systems.
This is a joint work with L. Grigori (Inria Paris) and R. Stompor (Universite Paris 7).

Language of Mathematics

Ladislav Kvasz
Charles University
Friday, 28. February 2020 - 9:00 to 10:00

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