Abstract
The Gaussian curvature has a minimum at the striction points of the ruled hyperboloid, and therefore, the curves of constant Gaussian curvature touch the hyperboloid’s rulings precisely at the striction points.
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Odehnal, B., Stachel, H., Glaeser, G. (2020). Quadrics and Differential Geometry. In: The Universe of Quadrics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-61053-4_9
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DOI: https://doi.org/10.1007/978-3-662-61053-4_9
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