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Thread: Helicoid

  1. April 16th 2008, 07:31 AM #1
    Jerryx
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    Helicoid

    How can I proof that the only ruled minimal surface is either a plane or a helicoid?
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  2. October 27th 2008, 01:24 PM #2
    Rebesques
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    The Gaussian and Mean curvatures are zero, and this gives a set of two simple pde's to solve.
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