Projective Geometry and Modern Algebra
(Sprache: Englisch)
The techniques and concepts of modern algebra are introduced for their natural role in the study of projectile geometry; groups appear as automorphism groups of configurations, division rings appear in the study of Desargues' theorem and the study of the...
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Klappentext zu „Projective Geometry and Modern Algebra “
The techniques and concepts of modern algebra are introduced for their natural role in the study of projectile geometry; groups appear as automorphism groups of configurations, division rings appear in the study of Desargues' theorem and the study of the independence of the seven axioms given for projectile geometry.
Inhaltsverzeichnis zu „Projective Geometry and Modern Algebra “
Historical foreword. Affine geometry: affine planes; transformations of the affine plane. Projective planes: completion of the affine plane; homogeneous coordinates for the real projective plane. Desargues' theorem and the principle of duality: the axiom P5 of Desargues; Moulton's example; axioms for projective space; principle of duality. A brief introduction to groups: elements of group theory; automorphisms of the projective plane of 7 points. Elementary synthetic projective geometry: Fano's axiom P6; harmonic points; perpectivities and projectivities. The fundamental theorem for projectivities on a line: the fundamental theorem: axiom P7; geometry of complex numbers; Pappu's theorem. A brief introduction to division rings: division rings; the quaternions H; a noncommutative division ring with characteristics p. Projective planes over division rings: P2(R); the automorphism group of P2 (R); the algebraic meaning of axioms P6 and P7; independence of axioms. Introduction of coordinates in a projective plane: the major and minor Desargues' axioms; division ring number lines; introducing coordinates in A. Mobius transformations and cross ratio: assessment; Mobius transformations of the extended field; cross ratio: a projective invariant. Projective collineations: projective collineations; elations and homologies; the fundamental theorem of projective collineation; Ceva's theorem. (Part contents).
Bibliographische Angaben
- Autoren: Lars Kadison , Matthias T. Kromann
- 1996, 208 Seiten, mit Abbildungen, Maße: 16 x 24,1 cm, Gebunden, Englisch
- Verlag: Springer
- ISBN-10: 0817639004
- ISBN-13: 9780817639006
- Erscheinungsdatum: 26.01.1996
Sprache:
Englisch
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