37Jxx Finite-dimensional Hamiltonian, Lagrangian, contact, and nonholonomic systems [See also 53Dxx, 70Fxx, 70Hxx]
- 37J05 General theory, relations with symplectic geometry and topology
- 37J10 Symplectic mappings, fixed points
- 37J15 Symmetries, invariants, invariant manifolds, momentum maps, reduction [See also 53D20]
- 37J20 Bifurcation problems
- 37J25 Stability problems
- 37J30 Obstructions to integrability (nonintegrability criteria)
- 37J35 Completely integrable systems, topological structure of phase space, integration methods (4)
- 37J40 Perturbations, normal forms, small divisors, KAM theory, Arnol0d diffusion
- 37J45 Periodic, homoclinic and heteroclinic orbits; variational methods, degree-theoretic methods
- 37J50 Action-minimizing orbits and measures
- 37J55 Contact systems [See also 53D10]
- 37J60 Nonholonomic dynamical systems [See also 70F25]
- 37J99 None of the above, but in this section