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Regularity, normality and weak continuity for multifunctions. (English) Zbl 0487.54019


MSC:

54D15 Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.)
54C60 Set-valued maps in general topology
54D10 Lower separation axioms (\(T_0\)–\(T_3\), etc.)

Citations:

Zbl 0445.54006
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