Lecture Series about Euler Systems- Congruences between Modular Forms and Special Values of L-Functions.mp4 on Vimeo
Passivity-based Control of Euler-Lagrange Systems: Mechanical, Electrical and Electromechanical Applications | SpringerLink
What is an Euler System? It's a collection of cohomology classes xQ ∈ H (Q, T) satisfying certain (1) distribution relations
![Hiroaki Nishikawa on X: "Euler is hyperbolic in time but not necessarily in space. Steady Euler system is mixed hyperbolic/elliptic for subsonic flows. But many discretization methods ignore it, and just use Hiroaki Nishikawa on X: "Euler is hyperbolic in time but not necessarily in space. Steady Euler system is mixed hyperbolic/elliptic for subsonic flows. But many discretization methods ignore it, and just use](https://pbs.twimg.com/media/EBsFsiPX4AAAgWW.jpg:large)