The set is the set of all equivalence classes of ordered triples under the equivalence relation if for some nonzero complex number .
Complex Projective Plane
See also
Projective Plane, Real Projective PlaneExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Complex Projective Plane." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ComplexProjectivePlane.html