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Liebmann's Theorem

A Sphere is Rigid.

See also Rigid


Gray, A. Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, p. 377, 1993.

O'Neill, B. Elementary Differential Geometry, 2nd ed. New York: Academic Press, p. 262, 1997.

© 1996-9 Eric W. Weisstein