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Math Help - isometric definition

  1. #1
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    isometric definition

    two surfaces are isometric if their first fundamental forms are the same or if the coefficients of the first fundamental forms are the same?
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  2. #2
    Super Member Rebesques's Avatar
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    Re: isometric definition

    The coefficients must be
    (or, can be made to be)
    the same at every pair of corresponding points.
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