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Weak forms of open mappings and strong forms of sequence-covering mappings. (English) Zbl 1140.54011

Images of metric spaces under certain weak forms of open and strong forms of sequence-covering mappings are investigated. The author proves the equivalence of some classes of spaces which are described in this way. Two examples that clarify relations among the considered classes of mappings are also given.

MSC:

54E40 Special maps on metric spaces
54C05 Continuous maps
54C10 Special maps on topological spaces (open, closed, perfect, etc.)
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