A perspective collineation with center 
and axis 
is a collineation which leaves
all lines through 
and points of 
invariant. Every perspective collineation is a projective
collineation.
Perspective Collineation
See also
Collineation, Elation, Geometric Homology, Projective CollineationExplore with Wolfram|Alpha
References
Coxeter, H. S. M. Introduction to Geometry, 2nd ed. New York: Wiley, pp. 247-248, 1969.Referenced on Wolfram|Alpha
Perspective CollineationCite this as:
Weisstein, Eric W. "Perspective Collineation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PerspectiveCollineation.html