Monthly Archives: November 2023

We’ve moved!

Dear all, the site has moved… there (follow the link). Sorry for the inconvenience. If you had subscribed before Monday, November 27th, 2023, 15h UTC+1, then you are still subscribed on the new site, and you have nothing else to … Continue reading

Posted in Uncategorized | Comments Off on We’ve moved!

Compact semilattices without small semilattices II: Gierz’s counterexample

We pursue last month’s post, written with Zhenchao Lyu, and we describe Gierz’s example of a compact semilattice — namely, a compact Hausdorff topological semilattice — which does not have small semilattices. It is a bit simpler than Jimmie Lawson’s … Continue reading

Posted in Uncategorized | Comments Off on Compact semilattices without small semilattices II: Gierz’s counterexample