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  • A metrizable semitopological semilattice with non-closed partial order [Elektronski vir]
    Banakh, Taras, 1968- ; Bardyla, Serhii ; Ravsky, O. V.
    We construct a metrizable semitopological semilattice ▫$X$▫ whose partial order ▫$P=\{(x,y)\in X\times X:xy=x\}$▫ is a non-closed dense subset of ▫$X\times X$▫. 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, having a prescribed countable family of convergent sequences.
    Type of material - e-article ; adult, serious
    Publish date - 2020
    Language - english
    COBISS.SI-ID - 18975577