Extremally $T_1$-spaces and Related Spaces

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The aim of this paper is introduce and initiate the study of extremally $T_1$-spaces, i.e., the spaces where all hereditarily compact $C_2$-subspaces are closed. A $C_2$-space is a space whose nowhere dense sets are finite.
9 pages

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General Topology, 54D10; 54D30;54A05; 54G99

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http://salesiana.dossiersoluciones.com/handle/123456789/77808

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9812037
 http://arxiv.org/abs/math/9812037

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arXiv