Closed sets which consistently have few translations covering the line
Volume 237 / 2017
Fundamenta Mathematicae 237 (2017), 101-125
MSC: Primary 03E17; Secondary 03E35.
DOI: 10.4064/fm191-8-2016
Published online: 27 December 2016
Abstract
We characterize the compact subsets $K$ of $2^{\omega }$ for which one can force the existence of a set $X$ of cardinality less than the continuum such that $K+X=2^{\omega }$.
