On curvatures of ruled surfaces in Minkowski 3-spaces


In this paper, we classify ruled surfaces of non-degenerate second fundamental form in Minkowski 3-spaces satisfying some algebraic equations in terms of the second mean curvature, the mean curvature and the Gaussian curvature.

DOI Code: 10.1285/i15900932v28n2p43

Keywords: Gaussian curvature; second mean curvature; mean curvature; Minkowski surface; non-developable ruled surface

Classification: 53B25; 53C50

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