Articles with "degenerate null" as a keyword



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On Non-degenerate Null Normal Sections of Codimension Two Spacelike Surfaces

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Published in 2019 at "Bulletin of the Malaysian Mathematical Sciences Society"

DOI: 10.1007/s40840-017-0557-x

Abstract: In this paper, we develop a formula for spacelike surfaces in a four-dimensional Lorentzian space form which involves its mean curvature vector field, the Gauss curvature of the induced metric and the Gauss curvature of… read more here.

Keywords: null normal; non degenerate; spacelike surfaces; degenerate null ... See more keywords