Mathematical Sciences Classification System
53Dxx - Symplectic geometry, contact geometry 
[See also  37Jxx,  70Gxx,  70Hxx]
                    - 
                            
                            53D05Symplectic manifolds, general
 - 
                            
                            53D10Contact manifolds, general
 - 
                            
                            53D12Lagrangian submanifolds; Maslov index
 - 
                            53D15Almost contact and almost symplectic manifolds
 - 
                            
                            53D17Poisson manifolds; Poisson groupoids and algebroids
 - 
                            53D18Generalized geometries (à la Hitchin)
 - 
                            
                            53D20Momentum maps; symplectic reduction
 - 
                            53D22Canonical transformations
 - 
                            
                            53D25Geodesic flows
 - 
                            
                            53D30Symplectic structures of moduli spaces
 - 
                            
                            53D35Global theory of symplectic and contact manifolds [See also 57Rxx]
 - 
                            
                            53D37Mirror symmetry, symplectic aspects; homological mirror symmetry; Fukaya category [See also 14J33]
 - 
                            
                            53D40Floer homology and cohomology, symplectic aspects
 - 
                            
                            53D42Symplectic field theory; contact homology
 - 
                            
                            53D45Gromov-Witten invariants, quantum cohomology, Frobenius manifolds [See also 14N35]
 - 
                            
                            53D50Geometric quantization
 - 
                            
                            53D55Deformation quantization, star products
 - 
                            
                            53D99None of the above, but in this section