Uncountable set of reals with a single condensation point
Seminar
Speaker
Eilon Bilinsky (TAU)
Date
20/11/2017 - 15:00 - 13:00Add to Calendar
2017-11-20 13:00:00
2017-11-20 15:00:00
Uncountable set of reals with a single condensation point
We construct a model of ZF with an uncountable set of reals having a unique condensation point. This answers a question of Sierpinski from 1918.
building 505, Room 65
אוניברסיטת בר-אילן - Department of Mathematics
mathoffice@math.biu.ac.il
Asia/Jerusalem
public
Place
building 505, Room 65
Abstract
We construct a model of ZF with an uncountable set of reals having a unique condensation point. This answers a question of Sierpinski from 1918.
Last Updated Date : 20/11/2017