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Math Help - differential geometry

  1. #1
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    differential geometry

    Given \{(u,v) \in R^2|u^2+v^2<1\} with E=G=\frac{4}{(1-u^2-v^2)^2} and F=0. How do I show that an euclidean circle with center at the origin is a hyperbolic circle?
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  2. #2
    Super Member Rebesques's Avatar
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    Calculate the Gauss curvature on such a circle.
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