Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6424705 | Topology and its Applications | 2013 | 11 Pages |
Abstract
We introduce and study the notion of an n-Luzin gap, which is a natural generalization of a Luzin gap. We prove that under Martinʼs Axiom, every AD family A of size less than c contains an n-Luzin gap or the corresponding Mrówka-Isbell space Ψ(A) is normal.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Geometry and Topology
Authors
Michael HruÅ¡ák, Osvaldo Guzmán,