Columbia subject headings:
Astrophysics--Congresses.
Geometry, Differential--Congresses.
Homotopy theory--Congresses.
Mathematical physics--Congresses.
Particles (Nuclear physics)--Congresses.
Harvard subject headings:
Astrophysics--Congresses
Geometry, Differential--Congresses.
Homotopy theory--Congresses.
Mathematical physics--Congresses
Particles (Nuclear physics)--Congresses
Princeton subject headings:
Astrophysics--Congresses.
Geometry, Differential--Congresses.
Homotopy theory--Congresses.
Mathematical physics--Congresses.
Particles (Nuclear physics)--Congresses.