Zhaowen Li, Dept. of Math., Changsha University of Science and Technology, Changsha, Hunan 410077, P.R. China, e-mail: Lizhaowen8846@163.com; Shou Lin, Dept. of Math., Ningde Teacher's college, Ningde, Fujian 352100, P.R. China
Abstract: In this paper, we give characterizations of certain weak-open images of metric spaces.
Keywords: $g$-metrizable spaces, weak-bases, weak-open mappings, $\sigma$-mappings, $\pi$-mappings, $cs$-mappings
Classification (MSC 2000): 54E99, 54C10
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