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Singular points of lightlike hypersurfaces of the de Sitter space

Maks A. Akivis·Vladislav V. Goldberg
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Abstract

The authors study singular points of lightlike hypersurfaces of the de Sitter space S^{n+1}_1 and the geometry of hypersurfaces and use them for construction of an invariant normalization and an invariant affine connection of lightlike hypersurfaces.

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Maks A. Akivis, Vladislav V. Goldberg. 1998-06-04. Singular points of lightlike hypersurfaces of the de Sitter space. https://arxiv.org/abs/math/9806018

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