More on uniform ultrafilters over a singular cardinal
Volume 252 / 2021
Fundamenta Mathematicae 252 (2021), 225-240
MSC: 03E04, 03E35, 03E45, 03E55.
DOI: 10.4064/fm845-5-2020
Published online: 30 July 2020
Abstract
We present some new results related to the character of uniform ultrafilters over a singular cardinal and the ultrafilter number.