2 problems

Let $M$ be a manifold of dimension at least $2$. Let $(S^{\ast}M,\xi)$ be its spherical cotangent bundle with the standard contact structure, and let $\phi_t$ be a positive Legendr…

Let $M$ be a manifold of dimension at least $2$. Let $(S^{\ast}M,\xi)$ be its spherical cotangent bundle with the standard contact structure, let $\alpha$ be a contact form with…