The Separable Scarborough-Stone Problem
Speaker:
Paul Szeptycki, York University
Date and Time:
Friday, November 7, 2025 - 1:30pm to 3:00pm
Location:
Fields Institute, Room 210
Abstract:
The Scarborough-Stone Problem asks whether the product of any family of sequentially compact spaces is always countably compact. Consistently no, but whether it may have a consistent positive answer remains open. The special case asking whether a separable sequentially compact space has all powers countably compact has, it seems, not been previously studied. We present a consistent counterexample and some related results toward a possible positive solution.
This is joint work with César Corral and Alan Dow.

