Seminar Archive - Autumn 2021

Date	Speaker	Talk
22 September 2021*	Valentin Lychagin	On metric invariants of spherical harmonics
6 October 2021	Raffaele Vitolo	WDVV equations and invariant bi-Hamiltonian formalism
13 October 2021	Alexei Kotov	Riemannian Cartan-Lie algebroids and groupoids and curved Yang-Mills-Higgs models
20 October 2021	Igor Khavkine	Triangular decoupling of systems of differential equations, with application to separation of variables on Schwarzschild spacetime
27 October 2021*	Oleg Morozov	Integrable PDEs and extensions of Lie-Rinehart algebras
3 November 2021*	Anna Duyunova Sergey Tychkov	The Euler system on a space curve
10 November 2021	Eivind Schneider	Differential invariants of Kundt spacetimes
17 November 2021*	Maxim Grigoriev	Presymplectic gauge PDEs and Batalin-Vilkovisky formalism
24 November 2021*	Boris Doubrov	On Cartan's C-class differential equations
1 December 2021	Evgeny Ferapontov	Second order integrable Lagrangians and WDVV equations
8 December 2021	Hynek Baran	Jets, a computer algebra on diffieties
	Petr Vojčák	On the algebras of nonlocal symmetries for the (modified) 4D Martı́nez Alonso-Shabat equation
29 December 2021	Sergei Igonin	Algebra and geometry of Lax representations and Bäcklund transformations for (1+1)-dimensional partial differential and differential-difference equations

 * Offline (with simultaneous streaming via Zoom)