A metrizable Lawson semitopological semilattice with non-closed partial order
Autor: | Taras Banakh, Serhii Bardyla, Alex Ravsky |
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Jazyk: | English<br />Ukrainian |
Rok vydání: | 2020 |
Předmět: | |
Zdroj: | Pracì Mìžnarodnogo Geometričnogo Centru, Vol 13, Iss 3, Pp 10-17 (2020) |
Druh dokumentu: | article |
ISSN: | 2072-9812 2409-8906 |
DOI: | 10.15673/tmgc.v13i3.1756 |
Popis: | We construct a metrizable Lawson semitopological semilattice $X$ whose partial order $\le_X\,=\{(x,y)\in X\times X:xy=x\}$ is not closed in $X\times X$. This resolves a problem posed earlier by the authors. |
Databáze: | Directory of Open Access Journals |
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