Abstract
We classify all surfaces with constant Gaussian curvature K in Euclidean 3-space that can be expressed by an implicit equation of type \(f(x)+g(y)+h(z)=0\), where f, g and h are real functions of one variable. If \(K=0\), we prove that the surface is a surface of revolution, a cylindrical surface or a conical surface, obtaining explicit parametrizations of such surfaces. If \(K\not =0\), we prove that the surface is a surface of revolution.
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Acknowledgements
Rafael López has been partially supported by the Grant No. MTM2017-89677-P, MINECO/AEI/FEDER, UE.
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Hasanis, T., López, R. Classification of separable surfaces with constant Gaussian curvature. manuscripta math. 166, 403–417 (2021). https://doi.org/10.1007/s00229-020-01247-6
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DOI: https://doi.org/10.1007/s00229-020-01247-6