On the evolution of dust shells in Lemaître-Tolman-Bondi models

I. Bochicchio Department of Mathematics and Informatics, University of Salerno, via Ponte Don Melillo, I-84084, Fisciano (SA), Italy E-mail: [email protected]Correspondence[email protected]

E. Laserra Department of Mathematics and Informatics, University of Salerno, via Ponte Don Melillo, I-84084, Fisciano (SA), Italy E-mail: [email protected]

Abstract

In this work some geometric properties of Lemaître-Tolman-Bondi Universes are analyzed. More precisely, the curvature properties of the initial spatial hypersurface are investigated to show as they determinate the sub-sequent evolution of the Universe.

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On the evolution of dust shells in Lemaître-Tolman-Bondi models

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On the evolution of dust shells in Lemaître-Tolman-Bondi models

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