Normal subspaces in products of two ordinals
Volume 151 / 1996
Fundamenta Mathematicae 151 (1996), 279-297
DOI: 10.4064/fm-151-3-279-297
Abstract
Let λ be an ordinal number. It is shown that normality, collectionwise normality and shrinking are equivalent for all subspaces of $(λ+1)^2$.
