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http://dx.doi.org/10.7468/jksmeb.2020.27.3.125

ALEXANDROV TOPOLOGIES AND NON-SYMMETRIC PSEUDO-METRICS  

Oh, Ju-mok (Mathematics Department, Gangneung-Wonju National University)
Kim, Yong Chan (Mathematics Department, Gangneung-Wonju National University)
Publication Information
The Pure and Applied Mathematics / v.27, no.3, 2020 , pp. 125-135 More about this Journal
Abstract
In this paper, we investigate the properties of Alexandrov topologies, non-symmetric pseudo-metrics and lower approximation operators on [0, ∞]. Moreover, we investigate the relations among Alexandrov topologies, non-symmetric pseudo-metrics and lower approximation operators. We give their examples.
Keywords
Alexandrov topologies; non-symmetric pseudo-metrics and lower approximation operators;
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