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pro vyhledávání: '"Marcus Kriele"'
Autor:
Marcus Kriele
Publikováno v:
Banach Center Publications. 41:169-178
We present a stable class of spacetimes which satisfy the conditions of the singularity theorem of Hawking & Penrose (1970), and which contain naked singularities. This offers counterexamples to a geometric version of the strong cosmic censorship hyp
Autor:
Marcus Kriele
Publikováno v:
Journal of Mathematical Physics. 36:3676-3693
The initial value problem for a compact, spherically symmetric star with a rather general equation of state is discussed. For any given time it is possible to calculate the area of the spheres of symmetry which intersect the boundary, if space–time
Publikováno v:
Classical and Quantum Gravity. 11:2761-2779
We introduce and give the motivation for the concept of shell singularities. Shell singularities are a generalization of shell crossing singularities to spacetimes which are not necessarily spherically symmetric. We give a definition of strong cosmic
Autor:
Marcus Kriele
Publikováno v:
Classical and Quantum Gravity. 10:1525-1539
The author shows that shell (crossing) singularities are at least marginally trapped, if the ratio of pressure and energy density tends to a nonzero constant for diverging energy density. This result gives strong support for weak cosmic censorship of
Autor:
Marcus Kriele
Publikováno v:
Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences. 431:451-464
I prove a generalization of the singularity theorem of Hawking & Penrose. The generalization is (as far as I am aware) the only one that preserves the original idea of this theorem. By quoting an example of Newman I show that the generalization is un
Autor:
Marcus Kriele
Publikováno v:
General Relativity and Gravitation. 22:619-623
We announce and justify two theorems (proofs will appear in Refs. 1 and 2): i) A generalization of the singularity theorem of Hawking and Penrose [3] to space-times with chronology violations. Although it is impossible to remove the chronology condit