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基本説明
Provides a complete introduction to generalized polygons. It develops the theory from scratch and provides geometric proofs of algebraic results.
Full Description
Generalized Polygons is the first book to cover, in a coherent manner, the theory of polygons from scratch. In particular, it fills elementary gaps in the literature and gives an up-to-date account of current research in this area, including most proofs, which are often unified and streamlined in comparison to the versions generally known. Generalized Polygons will be welcomed both by the student seeking an introduction to the subject as well as the researcher who will value the work as a reference. In particular, it will be of great value for specialists working in the field of generalized polygons (which are, incidentally, the rank 2 Tits-buildings) or in fields directly related to Tits-buildings, incidence geometry and finite geometry. The approach taken in the book is of geometric nature, but algebraic results are included and proven (in a geometric way!). A noteworthy feature is that the book unifies and generalizes notions, definitions and results that exist for quadrangles, hexagons, octagons - in the literature very often considered separately - to polygons. Many alternative viewpoints given in the book heighten the sense of beauty of the subject and help to provide further insight into the matter.
Contents
Basic Concepts and Results.- Classical Polygons.- Coordinatization and Further Examples.- Homomorphisms and Automorphism Groups.- The Moufang Condition.- Characterizations.- Ovoids, Spreads and Self-Dual Polygons.- Projectivities and Projective Embeddings.- Topological Polygons.
