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Geometry -- Von Staudt's Point of View: Proceedings of the NATO Advanced Study Institute Held at Bad Windsheim, West Germany, July 21--August 1,1980

Geometry -- Von Staudt's Point of View: Proceedings of the NATO Advanced Study Institute Held at Bad Windsheim, West Germany, July 21--August 1,1980

Hardcover

Series: NATO Science Series C:, Book 70

General GardeningGeneral MathematicsGeometry

ISBN10: 9027712832
ISBN13: 9789027712837
Publisher: Springer Nature
Published: May 31 1981
Pages: 430
Weight: 1.76
Height: 1.00 Width: 6.14 Depth: 9.21
Language: English
Ever since F. Klein designed his Erlanger programm, geometries have been studied in close connection with their groups of automorphisms. It must be admitted that the presence of a large automorphismgroup does not always have strong implications for the incidence-th- retical behaviour of a geometry. For exampl O. H. Kegel and A. Schleiermacher [Geometriae Dedicata 2, 379 - 395 (1974)J constructed a projective plane with a transitive action of its collineation group on quadrangles, in which, nevertheless every four points generate a free subplane. However, there are several important special classes of geometries, in which strong implications are present. For instance, every finite projective plane with a doubly transitive collineation group is pappian (Theorem of Ostrom-Wagner), and every compact connected projective plane with a flag-transitive group of continuous collineations is a Moufang plane (H. Salzmann, Pac. J. Math., 217 - 234 (1975)]. Klein's point of view has been very useful for numerous incidence structures and has established an intimate connection between group theory and geometry vii P. Plaumann and K. Strambach (eds. ), Geometry - von Staudt's Point of View, vii-xi. Copyright (c) 1981 by D. Reidel Publishing Company. viii PREFACE 1. 1:1ich is a guidepost for every modern t: reat: ment of geometry. A few decades earlier than Klein's proposal, K. G. Ch. von Staudt stated a theorem which indicates a different point of view and is nowadays sometimes called the Fundamental Theorem of Projective Geometry.

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