Introduces Lorentzian spaces as a weakening of Lorentzian length spaces and considers pointed Gromov-Hausdorff metrics, non-spacetime maximal examples, and canonical Cauchy development representatives.
On the Existence of a Maximal Cauchy Development for the Einstein Equations - a Dezornification
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abstract
In 1969, Choquet-Bruhat and Geroch established the existence of a unique maximal globally hyperbolic Cauchy development of given initial data for the Einstein equations. Their proof, however, has the unsatisfactory feature that it relies crucially on the axiom of choice in the form of Zorn's lemma. In this paper we present a proof that avoids the use of Zorn's lemma. In particular, we provide an explicit construction of this maximal globally hyperbolic development.
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math.DG 1years
2024 1verdicts
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Maximality and Cauchy developments of Lorentzian length spaces
Introduces Lorentzian spaces as a weakening of Lorentzian length spaces and considers pointed Gromov-Hausdorff metrics, non-spacetime maximal examples, and canonical Cauchy development representatives.