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Topological structures. (English) Zbl 0311.54003
Topol. Structures, Proc. Symp. in Honour of J. de Groot, 1973, 59-122 (1974).

##### MSC:
 54A05 Topological spaces and generalizations (closure spaces, etc.) 54C10 Special maps on topological spaces (open, closed, perfect, etc.) 54E05 Proximity structures and generalizations 54E15 Uniform structures and generalizations 54D30 Compactness 54B10 Product spaces in general topology 54C20 Extension of maps 54D10 Lower separation axioms ($$T_0$$–$$T_3$$, etc.) 54D15 Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.)