Herrmann, Robert A. A nonstandard generalization for perfect maps. (English) Zbl 0399.03055 Z. Math. Logik Grundlagen Math. 23, 223-236 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Reviews MSC: 03H99 Nonstandard models 54C10 Special maps on topological spaces (open, closed, perfect, etc.) 54J05 Nonstandard topology 54D30 Compactness Keywords:perfect maps; nonstandard point-set topology; topological monad; closure; continuity; compactness PDF BibTeX XML Cite \textit{R. A. Herrmann}, Z. Math. Logik Grundlagen Math. 23, 223--236 (1977; Zbl 0399.03055) Full Text: DOI OpenURL