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Twisted Sphere


The term "twisted sphere" is used to mean either a projective plane (Henle 1994, p. 110) or the corkscrew surface obtained by extending a sphere along a diameter and then twisting (Gray 1997, p. 477).


See also

Corkscrew Surface, Projective Plane

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References

Gray, A. Modern Differential Geometry of Curves and Surfaces with Mathematica, 2nd ed. Boca Raton, FL: CRC Press, 1997.Henle, M. A Combinatorial Introduction to Topology. New York: Dover, 1994.

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Twisted Sphere

Cite this as:

Weisstein, Eric W. "Twisted Sphere." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TwistedSphere.html

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