Fundamental Theorem of Projective Geometry
Any collineation from P(V) to P(V), where V is a three-dimensional vector space, is associated with a semilinear map from V to V.
See also
Collineation, Projective GeometryThis entry contributed by Arnaud Beauville
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References
Artin, E. Geometric Algebra. New York: Wiley, 1988.Referenced on Wolfram|Alpha
Fundamental Theorem of Projective GeometryCite this as:
Beauville, Arnaud. "Fundamental Theorem of Projective Geometry." From MathWorld--A Wolfram Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/FundamentalTheoremofProjectiveGeometry.html