Geodesic
Null cones and pseudo-riemannian metrics.
Semigroup forum, Tome 43 (1991) no. 3, pp. 337-343.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : null cones, conformal geometries, semigroups, nondegenerate inner products, conformally related metrics, causality properties 
@article{SF_1991__43_3_135120,
     author = {P. Ehrlich},
     title = {Null cones and pseudo-riemannian metrics.},
     journal = {Semigroup forum},
     pages = {337--343},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1991},
     zbl = {0735.53016},
     url = {http://geodesic.mathdoc.fr/item/SF_1991__43_3_135120/}
}
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P. Ehrlich. Null cones and pseudo-riemannian metrics.. Semigroup forum, Tome 43 (1991) no. 3, pp. 337-343. http://geodesic.mathdoc.fr/item/SF_1991__43_3_135120/