Elliptic Plane


The real projective plane with elliptic metric where the distance between two points P and Q is defined as the radian angle between the projection of the points on the surface of a sphere (which is tangent to the plane at a point S) from the antipode N of the tangent point.

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Coxeter, H. S. M. Introduction to Geometry, 2nd ed. New York: Wiley, p. 94, 1969.

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Elliptic Plane

Cite this as:

Weisstein, Eric W. "Elliptic Plane." From MathWorld--A Wolfram Web Resource.

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