Lower bound of null injectivity radius without curvature assumptions in a family of null cones
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DOI: 10.1007/s10455-019-09676-7
Abstract: We establish a new lower bound for the null injectivity radius of a null cone. The idea is to use a function closely related to the null second fundamental form which codifies the directional expansion… read more here.
Keywords: injectivity radius; lower bound; radius; null injectivity ... See more keywords