Some remarks on selectively highly divergent spaces

In this paper, we study selectively highly divergent (SHD) spaces on hyperspaces with the Vietoris topology and the Pixley-Roy topology. Moreover, we show that they are preserved under quasi-perfect countable-to-one mappings and preserved inversely under quasi-open mappings.

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Publication Details

Journal
Applied General Topology
Published
2026-02-24
DOI
https://doi.org/10.4995/agt.22295
Primary Topic
Advanced Topology and Set Theory
Type
article
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article

Some remarks on selectively highly divergent spaces

Nguyen Xuan Truc, Ong Van Tuyen, Luong Quoc Tuyen
Applied General Topology
Advanced Topology and Set Theory
article

Some remarks on selectively highly divergent spaces

Nguyen Xuan Truc, Ong Van Tuyen, Luong Quoc Tuyen
article en

Abstract

In this paper, we study selectively highly divergent (SHD) spaces on hyperspaces with the Vietoris topology and the Pixley-Roy topology. Moreover, we show that they are preserved under quasi-perfect countable-to-one mappings and preserved inversely under quasi-open mappings.

Applied General TopologyVol. 27(1)
University of Da Nang (VN)
Openalex Percentile: Top 40%
Advanced Topology and Set Theory
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