RIS ID

103435

Publication Details

Elfard, A. (2015). Free paratopological groups. Applied General Topology, 16 (2), 89-98.

Abstract

Let FP(X) be the free paratopological group on a topological space X in the sense of Markov. In this paper, we study the group FP(X) on a Pα-space X where α is an infinite cardinal and then we prove that the group FP(X) is an Alexandroff space if X is an Alexandroff space. Moreover, we introduce a neighborhood base at the identity of the group FP(X) when the space X is Alexandroff and then we give some properties of this neighborhood base. As applications of these, we prove that the group FP(X) is T0 if X is T0, we characterize the spaces X for which the group FP(X) is a topological group and then we give a class of spaces X for which the group FP(X) has the inductive limit property.

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Link to publisher version (DOI)

http://dx.doi.org/10.4995/agt.2015.1874