What is an Euler System? It's a collection of cohomology classes xQ ∈ H (Q, T) satisfying certain (1) distribution relations
![Amazon.fr - Exterior Differential Systems and Euler-Lagrange Partial Differential Equations - Bryant, Robert, Griffiths, Phillip, Grossman, Daniel - Livres Amazon.fr - Exterior Differential Systems and Euler-Lagrange Partial Differential Equations - Bryant, Robert, Griffiths, Phillip, Grossman, Daniel - Livres](https://m.media-amazon.com/images/I/5190fQUB6XL._AC_UF894,1000_QL80_.jpg)
Amazon.fr - Exterior Differential Systems and Euler-Lagrange Partial Differential Equations - Bryant, Robert, Griffiths, Phillip, Grossman, Daniel - Livres
![Stochastic sine-Euler system: Preservation of the two Casimir functions... | Download Scientific Diagram Stochastic sine-Euler system: Preservation of the two Casimir functions... | Download Scientific Diagram](https://www.researchgate.net/publication/356250102/figure/fig5/AS:1092611540549632@1637510299622/Stochastic-sine-Euler-system-Preservation-of-the-two-Casimir-functions-by-the-explicit.png)
Stochastic sine-Euler system: Preservation of the two Casimir functions... | Download Scientific Diagram
![Construction of anti-cyclotomic Euler systems of modular abelian varieties, and the ranks of..... - YouTube Construction of anti-cyclotomic Euler systems of modular abelian varieties, and the ranks of..... - YouTube](https://i.ytimg.com/vi/LYxcnKZ5RNs/mqdefault.jpg)