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A study of acyclically monotonically \(T_2\) spaces. (English) Zbl 1137.54317

Summary: In this paper, we shall prove that acyclically monotonically \(T_2\) is a properly hereditary property, and every metric space is an acyclically monotonically \(T_2\) space. Moreover, we shall give a characterization of acyclically monotonically \(T_2\). Also, some open problems and conjectures concerning acyclically monotonically \(T_2\) spaces and their relation with strongly monotonically \(T_2\) space will be given.

MSC:

54D10 Lower separation axioms (\(T_0\)–\(T_3\), etc.)
54E35 Metric spaces, metrizability
54G20 Counterexamples in general topology