1974-1975/86/3

Proximity classes of uniformities

Ideals in subalgebras of C(X)

Some finitely generated subsemigroups of S(X)

Homeomorphisms of inverse limits of metric spaces

Normal radicals of endomorphism rings of free and projective modules

On shapes of topological spaces

On fundamental deformation retracts and on some related notions

An open-perfect mapping on a hereditarily disconnected space onto a connected space

The non-existence of ${\displaystyle {\Sigma }^1\_2}$ well-orderings of the Cantor set

On longest paths in connected graphs