Uniqueness Conditions of the Representation of a Topology in \[{ Top}(X)\]

In this article motivated by unique representation of a topology \[\tau \] on X, we introduce some kind of representation for \[\tau \] in \[{ Top}(X)\] and find the equivalent condition for a topological space to have unique representation. As the main part of the paper, we introduce the natural re...

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Veröffentlicht in:Bulletin of the Malaysian Mathematical Sciences Society 2018-10, Vol.41 (4), p.1953-1967
Hauptverfasser: Aliabad, A R, Namdari, M, D Salemi Gomari
Format: Artikel
Sprache:eng
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Zusammenfassung:In this article motivated by unique representation of a topology \[\tau \] on X, we introduce some kind of representation for \[\tau \] in \[{ Top}(X)\] and find the equivalent condition for a topological space to have unique representation. As the main part of the paper, we introduce the natural representation for every topology \[\tau \] on a set X of the form \[\bigwedge _{a\in L(X)}\mathscr {T}(a,\mathscr {W}_a)\], where \[\mathscr {W}_a\] is the set of all neighborhoods and deleted neighborhoods of a and L(X) is the set of all non-isolated points of X, and we characterize the spaces whose topology has unique representation. Also it is proved that every first countable Hausdorff space has unique representation property.
ISSN:0126-6705
2180-4206
DOI:10.1007/s40840-016-0436-x