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Normal Forms of Germs of Contact Sub-Lorentzian Structures on R3. Differentiability of the Sub-Lorentzian Distance Function

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Abstract

The aim of this paper is to construct certain normal forms for germs of contract sub-Lorentzian metrics in R3. Using them we show that there are regions in which longest curves are necessarily timelike, and where the local sub-Lorentzian distance function is smooth. By the way, we compute the null conjugate locus of a point.

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Grochowski, M. Normal Forms of Germs of Contact Sub-Lorentzian Structures on R3. Differentiability of the Sub-Lorentzian Distance Function. Journal of Dynamical and Control Systems 9, 531–547 (2003). https://doi.org/10.1023/A:1025696302287

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  • DOI: https://doi.org/10.1023/A:1025696302287

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