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Date: 20-6-2021
3858
Date: 17-6-2021
1771
Date: 7-6-2021
1701
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A surface constructed by placing a family of figure-eight curves into such that the first and last curves reduce to points. The surface has parametric equations
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REFERENCES:
Gray, A. Modern Differential Geometry of Curves and Surfaces with Mathematica, 2nd ed. Boca Raton, FL: CRC Press, p. 337, 1997.
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