Pair (M,ω) with closed non-degenerate ω ∈ Ω²(M). Darboux: locally (ℝ^{2n}, dp∧dq). Hamiltonian flows; moment maps; Gromov's non-squeezing.
Pair (M,ω) with closed non-degenerate ω ∈ Ω²(M). Darboux: locally (ℝ^{2n}, dp∧dq). Hamiltonian flows; moment maps; Gromov's non-squeezing.