A metrizable semitopological semilattice with non-closed partial order

We construct a metrizable semitopological semilattice X whose partial order P = {(x, y) ∈ X × X : xy = x} is a non-closed dense subset of X × X. As a by-product we find necessary and sufficient conditions for the existence of a (metrizable) Hausdorff topology on a set, act, semigroup or semilattice,...

Full description

Bibliographic Details
Main Authors: Banakh Taras, Bardyla Serhii, Ravsky Alex
Format: Article
Language:English
Published: De Gruyter 2020-04-01
Series:Topological Algebra and its Applications
Subjects:
Online Access:https://doi.org/10.1515/taa-2020-0006