Real Projective Space

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High Quality Content by WIKIPEDIA articles! In mathematics, real projective space, or RPn is the projective space of lines in Rn+1. It is a compact, smooth manifold of dimension n, and a special case of a Grassmannian. As with all projective spaces, RPn is formed by taking the quotient of Rn+1 {0} under the equivalence relation x x for all real numbers 0. For all x in Rn+1 {0} one can always find a such that x has norm 1. There are precisely two such differing by sign. Thus RPn can also be formed by identifying antipodal points of the unit n-sphere, Sn, in Rn+1. One can further restrict to the upper hemisphere of Sn and merely identify antipodal points on the bounding equator. This shows that RPn is also equivalent to the closed n-dimensional disk, Dn, with antipodal points on the boundary, Dn = Sn 1, identified.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786130346348
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • Sprache Englisch
    • Größe H220mm x B150mm x T7mm
    • Jahr 2010
    • EAN 9786130346348
    • Format Fachbuch
    • ISBN 978-613-0-34634-8
    • Titel Real Projective Space
    • Untertitel Mathematics, Projective Space, Differentiable Manifold, Grassmannian, Equivalence Relation, Antipodal Point, Covering Space, Simply Connected Space, Curve, Fibration
    • Gewicht 201g
    • Herausgeber Betascript Publishers
    • Anzahl Seiten 124
    • Genre Mathematik

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