1980/110/1

Equilateral triangles and continuous curves

The space of ultrafilters on N covered by nowhere dense sets

Equivariant embeddings of finite abelian group actions in euclidean space

Squeezing m-cells to (m-1)-cells in ${\displaystyle E^n}$

Metrizability of certain Pixley-Roy spaces

Cauchy's functional equation on semigroups