Casimir function of a Poisson manifold
= Casimir function of a Poisson manifold
A Casimir function $C$ Poisson-commutes with every smooth function, $\{C,f\}=0$. Its regular level sets are unions of <symplectic leaves>.
= Casimir function of a Poisson manifold
A Casimir function $C$ Poisson-commutes with every smooth function, $\{C,f\}=0$. Its regular level sets are unions of <symplectic leaves>.