1983/116/2

Close PL involutions of 3-manifolds which are conjugate by a small homeomorphism

Close PL involutions of 3-manifolds have close fixed point sets: 1-dimensional components

Validity up to complementation in graph theory

Compactness=JEP in any logic

A note on the isomorphic classification of spaces of continuous functions defined on intervals of ordinal numbers

Homotopy properties of decomposition spaces

Yosida-Fukamiya's theorem for ƒ-rings

Intersections of separators and essential submanifolds of ${\displaystyle I^N}$