Columbia subject headings:
Homotopy theory.
Harvard subject headings:
Algebra, Homological--Congresses.
Algebraic topology--Congresses.
Algebraic topology.
Geometry, Algebraic--Congresses.
Geometry, algebraic.
K-theory--Congresses.
Mathematics.
Princeton subject headings:
Algebra, Homological--Congresses.
Algebraic topology--Congresses.
Geometry, Algebraic--Congresses.
K-theory--Congresses.