Sanderson, Donald E. Advanced plane topology from an elementary standpoint. A simple combinatorial approach to subtle topological premises of basic undergraduate analysis. (English) Zbl 0454.54003 Math. Mag. 53, 81-89 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents MSC: 54A99 Generalities in topology 54C15 Retraction 54D05 Connected and locally connected spaces (general aspects) Keywords:Jordan curve theorem; Alexander’s duality theorem; Brouwer’s fixed point theorem; Alexander’s addition theorem PDF BibTeX XML Cite \textit{D. E. Sanderson}, Math. Mag. 53, 81--89 (1980; Zbl 0454.54003) Full Text: DOI OpenURL