Columbia subject headings:
Geodesics (Mathematics)--Congresses.
Geometry, Differential--Congresses.
Manifolds (Mathematics)--Congresses.
Topological dynamics--Congresses.
Harvard subject headings:
Geodesy--Congresses.
Geometry--Congresses
Princeton subject headings:
Geodesics (Mathematics)--Congresses.
Geometry, Differential--Congresses.
Manifolds (Mathematics)--Congresses.
Topological dynamics--Congresses.