Cori, Robert; Machi, Antonio Maps, hypermaps and their automorphisms: A survey. III. (English) Zbl 0772.05039 Expo. Math. 10, No. 5, 449-467 (1992). [For Part I see ibid., 403-427 (1992; Zbl 0772.05037), and for Part II see ibid., 429-447 (1992; Zbl 0772.05038).]In this third part of the article the transformations of a hypermap that preserve all the incidence relations are considered. Reviewer: P.Reichensperger (Oberasbach) Cited in 2 ReviewsCited in 20 Documents MSC: 05C10 Planar graphs; geometric and topological aspects of graph theory 05C65 Hypergraphs 57M15 Relations of low-dimensional topology with graph theory Keywords:maps; Riemann surfaces; hypermap Citations:Zbl 0772.05037; Zbl 0772.05038 PDF BibTeX XML Cite \textit{R. Cori} and \textit{A. Machi}, Expo. Math. 10, No. 5, 449--467 (1992; Zbl 0772.05039) OpenURL