On totally umbilic submanifolds of semi-
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Volker Perlick
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Article
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2005
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Elsevier Science
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English
β 120 KB
The notion of being totally umbilic is considered for non-degenerate and degenerate submanifolds of semi-Riemannian manifolds. After some remarks on the general case, timelike and lightlike totally umbilic submanifolds of Lorentzian manifolds are discussed, along with their physical interpretation i