The Ostaszewski space, part 1

Seminar
Speaker
Eran Stein
Date
16/05/2016 - 12:00 - 10:00Add to Calendar 2016-05-16 10:00:00 2016-05-16 12:00:00 The Ostaszewski space, part 1 We shall present Ostaszewski's construction of a perfectly normal, hereditarily separable, first countable, locally countable, locally compact, Hausdorff topological space in which every open set is either countable or co-countable. Building 502, Room 9 אוניברסיטת בר-אילן - Department of Mathematics mathoffice@math.biu.ac.il Asia/Jerusalem public
Place
Building 502, Room 9
Abstract

We shall present Ostaszewski's construction of a perfectly normal, hereditarily separable, first countable, locally countable, locally compact, Hausdorff topological space in which every open set is either countable or co-countable.

Last Updated Date : 28/10/2019