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A special case of Enneper's Negative Curvature Surfaces which can be given parametrically by
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(1) |
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(2) |
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(3) |
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(4) |
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(5) |
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(6) |
See also Enneper's Negative Curvature Surfaces, Kuen Surface, Rembs' Surfaces
References
Fischer, G. (Ed.). Plate 87 in Mathematische Modelle/Mathematical Models, Bildband/Photograph Volume.
Braunschweig, Germany: Vieweg, p. 83, 1986.
Reckziegel, H. ``Sievert's Surface.'' §3.4.4.3 in Mathematical Models from the Collections of Universities and Museums
(Ed. G. Fischer). Braunschweig, Germany: Vieweg, pp. 38-39, 1986.
Sievert, H. Über die Zentralflächen der Enneperschen Flachen konstanten Krümmungsmaßes. Dissertation, Tübingen, 1886.