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Cotygodniowe seminarium badawcze
2021-12-02, godz. 12:30, Zoom
Grzegorz Rempała (Ohio State University)
Modeling a new pandemic with an old equation. Ohio statewide SIR models for COVID-19
The COVID-19 pandemic has inspired much work on mathematical models of epidemics over the past 20 months. In particular, the classical ODE model of susceptible-infected-recovered (SIR) and its modifications have been frequently used for various predictions and statistical analysis of the epide...
2021-11-25, godz. 12:30, Zoom
Tomasz Dłotko (Uniwersytet Śląski w Katowicach)
Równanie Naviera-Stokesa jako krytyczne równanie paraboliczne
2021-11-18, godz. 12:30, Zoom
Karol Bołbotowski (Politechnika Warszawska)
On topics in optimal design of elastic structures and links to the Monge-Kantorovich problem
2021-11-04, godz. 12:30, Zoom
Wojciech Szkółka (Department of Atmospheric Physics, Institute of Geophysics, Polish Academy of Sciences)
Equatorial Kelvin waves, their vertical structure, and activity in the Indonesian area
2021-10-28, godz. 12:30, Zoom
Anastasia Molchanova (University of Vienna)
Equilibria of charged hyperelastic solids
We investigate the equilibria of charged deformable materials via the minimization of electroelastic energy. This features the coupling of elastic response and electrostatics by means of a capacitary term, which is naturally defined in Eulerian coordinates. The ensuing electroelastic energy is then ...
2021-10-21, godz. 12:30, Zoom
Mikołaj Sierżęga (MIM UW)
Optimal Liouville theorem for a semilinear Ornstein-Uhlenbeck equation
In their seminal 1985 paper, Giga and Kohn analyzed the blow-up behavior of the subcritical Fujita equation via a Liouville theorem for an associated elliptic equation of Ornstein-Uhlenbeck type. In subsequent work, Giga provided a conditional extension of this Liouville theorem to a natural br...
2021-10-14, godz. 12:30, Zoom
Marek Grądzki (Institute of Geophysics, PAN)
Magnetohydrodynamic instabilities are believed to play an important role in the evolution of astrophysical objects such as stars and accretion disks. Magnetic buoyancy instability (MBI) appears when the toroidal magnetic field in a conducting medium decreases in the direction opposite to the gravity...
2021-10-07, godz. 12:30, Zoom
Grzegorz Łukaszewicz (MIM UW)
This will be a non-technical talk about the turbulence phenomenon, a reflection on the difficulty of the subject, and the role of equations of hydrodynamics in its understanding. ...
2021-06-10, godz. 12:30, Zoom (szczegóły poniżej)
Jacopo Schino (doktorant IMPAN)
Ground state, bound state, and normalized solutions to semilinear Maxwell and Schroedinger equations
Streszczenie w załączniku. ------------------------------------------------------------------------ Join Zoom Meeting https://us02web.zoom.us/j/81583752461?pwd=c2xXN0hoQVBVc2JLNmNYRHkxTzV4UT09 Meeting ID: 815 8375 2461 Passcode: 495149 ...
2021-05-27, godz. 12:30, Zoom (szczegóły poniżej)
Prof. Andrew Gilbert (College of Engineering, Mathematics and Physical Sciences, University of Exeter, UK)
Geometric fluid mechanics and generalised Lagrangian mean (GLM) theory
In this talk I will outline the geometric view of ideal fluid mechanics, as set out by V.I. Arnold in seminal papers in the 1960s. We will then look at applications to Lagrangian averaging in fluid flows, in particular the generalised Lagrangian mean (GLM) theory of Andrews & McIntyre from the 1...
