Singularities of lightlike hypersurface in semi-Euclidean 4-space with index 2 (Q625957)
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scientific article; zbMATH DE number 5857757
| Language | Label | Description | Also known as |
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| English | Singularities of lightlike hypersurface in semi-Euclidean 4-space with index 2 |
scientific article; zbMATH DE number 5857757 |
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Singularities of lightlike hypersurface in semi-Euclidean 4-space with index 2 (English)
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25 February 2011
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The authors introduce the Lorentzian distance-square function whose discriminant is a given lightlike hypersurface. Using a result on the contact of submanifolds due to James Montaldi, the classification of the singularities of lightlike hypersurfaces is obtained.
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lightlike hypersurface
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Lorentzian surface
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Lorentzian distance-squared function
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