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On $$p$$-maps and $$M$$-maps. (English) Zbl 1148.54318
Summary: We introduce new notions of $$p$$-maps and $$M$$-maps, and investigate some of their basic properties, which are extensions of corresponding properties of $$p$$-spaces and $$M$$-spaces.
##### MSC:
 54C10 Special maps on topological spaces (open, closed, perfect, etc.) 55R70 Fibrewise topology 54E18 $$p$$-spaces, $$M$$-spaces, $$\sigma$$-spaces, etc.
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