Columbia subject headings:
Geometry, Differential--Congresses.
Hamiltonian systems--Congresses.
Singularities (Mathematics)--Congresses.
Harvard subject headings:
Foliations (Mathematics)--Congresses.
Hamiltonian systems--Congresses.
Singularities (Mathematics)--Congresses.
Princeton subject headings:
Geometry, Differential--Congresses.
Hamiltonian mechanics--Congresses.
Singularities (Mathematics)--Congresses.