New mathematical framework for spherical gravitational collapse

Details New mathematical framework for spherical gravitational collapse New mathematical framework for spherical gravitational collapse

2002-12-19

arxiv.org/abs/gr-qc/0212082v1

Class.Quant.Grav. 20 (2003) L75

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, LaTeX2e

Scientific paper

A theorem, giving necessary and sufficient condition for naked singularity formation in spherically symmetric non static spacetimes under hypotheses of physical acceptability, is formulated and proved. The theorem relates existence of singular null geodesics to existence of regular curves which are super-solutions of the radial null geodesic equation, and allows us to treat all the known examples of naked singularities from a unified viewpoint. New examples are also found using this approach, and perspectives are discussed.

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