70XX 


Mechanics of particles and systems {For relativistic mechanics, see 83A05 and 83C10; for statistical mechanics, see 82XX} 

70Hxx 

Hamiltonian and Lagrangian mechanics [See also 37Jxx] 


70H03 
Lagrange's equations 


70H05 
Hamilton's equations 


70H06 
Completely integrable systems and methods of integration 


70H07 
Nonintegrable systems 


70H08 
Nearly integrable Hamiltonian systems, KAM theory 


70H09 
Perturbation theories 


70H11 
Adiabatic invariants 


70H12 
Periodic and almost periodic solutions 


70H14 
Stability problems 


70H15 
Canonical and symplectic transformations 


70H20 
HamiltonJacobi equations 


70H25 
Hamilton's principle 


70H30 
Other variational principles 


70H33 
Symmetries and conservation laws, reverse symmetries, invariant manifolds and their bifurcations, reduction 


70H40 
Relativistic dynamics 


70H45 
Constrained dynamics, Dirac's theory of constraints [See also 70F20, 70F25, 70Gxx] 


70H50 
Higherorder theories 


70H99 
None of the above, but in this section 