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We show how to prescribe the initial data of a characteristic problem satisfying the costraints, the smallness, the regularity and the asymptotic decay suitable to prove a global existence result. In this paper, the first of two, we show in…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Giulio Caciotta , Francesco Nicolò

This article is a guide to theorems on existence and global dynamics of solutions of the Einstein equations. It draws attention to open questions in the field. The local in time Cauchy problem, which is relatively well understood, is…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Alan D. Rendall

This article is a guide to the literature on existence theorems for the Einstein equations which also draws attention to open problems in the field. The local in time Cauchy problem, which is relatively well understood, is treated first.…

General Relativity and Quantum Cosmology · Physics 2016-10-19 Alan D. Rendall

This article is a guide to theorems on existence and global dynamics of solutions of the Einstein equations. It draws attention to open questions in the field. The local-in-time Cauchy problem, which is relatively well understood, is…

General Relativity and Quantum Cosmology · Physics 2015-06-25 Alan D. Rendall

We prove, for the relativistic Boltzmann equation on a Bianchi type I space-time, a global existence and uniqueness theorem, for arbitrarily large initial data.

General Relativity and Quantum Cosmology · Physics 2009-11-11 N. Noutchegueme , D. Dongo , E. Takou

We prove a global in time existence theorem for the initial value problem for the Einstein-Boltzmann system, with positive cosmological constant and arbitrarily large initial data, in the spatially homogeneous case, in a Robertson-Walker…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Etienne Takou , Norbert Noutchegueme

We prove an existence theorem for the Cauchy problem on a characteristic cone for the vacuum Einstein equations.

General Relativity and Quantum Cosmology · Physics 2016-08-14 Yvonne Choquet-Bruhat , Piotr T. Chruściel , José M. Martín-García

We adapt Luk's analysis of the characteristic initial value problem in General Relativity to the asymptotic characteristic problem for the conformal Einstein field equations to demonstrate the local existence of solutions in a neighbourhood…

General Relativity and Quantum Cosmology · Physics 2020-06-25 David Hilditch , Juan A. Valiente Kroon , Peng Zhao

We analyze the Cauchy problem for the vacuum Einstein equations with data on a complete light-cone in an asymptotically Minkowskian space-time. We provide conditions on the free initial data which guarantee existence of global solutions of…

General Relativity and Quantum Cosmology · Physics 2015-10-28 Piotr T. Chruściel , Tim-Torben Paetz

The main goal of this work consists in showing that the analytic solutions for a class of characteristic problems for the Einstein vacuum equations have an existence region larger than the one provided by the Cauchy-Kowalevski theorem, due…

General Relativity and Quantum Cosmology · Physics 2018-11-14 G. Caciotta , F. Nicolò

We prove a global in time existence theorem, for the initial value problem for the Einstein-Boltzmann system, with arbitrarily large initial data, in the homogeneous case, in a Bianchi type I space-time

General Relativity and Quantum Cosmology · Physics 2014-11-17 Norbert Noutchegueme , David Dongo

We prove a global in time existence theorem for the initial values problem for the Einstein-Boltzmann system with cosmological constant and arbitrarily large initial data, in the spatially homogeneous case, in a Robertson-Walker space-time.

General Relativity and Quantum Cosmology · Physics 2007-05-23 Etienne Takou , Norbert Noutchegueme

Brief account of results on the Cauchy problem for the Einstein equations starting with early the works of Darmois and Lichnerowicz and going up to the proofs of the existence and uniqueness of solutions global in space and local in time,…

General Relativity and Quantum Cosmology · Physics 2014-10-15 Yvonne Choquet-Bruhat

We take a step towards characterising stationary data for the vacuum Einstein equations, by finding a necessary condition on initial data for which the evolution is a solution of the vacuum equations admitting a Killing vector, which is…

General Relativity and Quantum Cosmology · Physics 2017-02-02 Paul Tod

We prove global stability of Minkowski space for the Einstein vacuum equations in harmonic (wave) coordinate gauge for the set of restricted data coinciding with Schwartzschild solution in the neighborhood of space-like infinity. The result…

Analysis of PDEs · Mathematics 2011-04-21 Hans Lindblad , Igor Rodnianski

We study the global existence of Einstein-Maxwell(EM) equations on $\mathbb{R}^4$. We use the method, which relies on wave and Lorentzian gauge conditions, to obtain some exquisite estimates. Our main conclusion is that if the initial data…

Analysis of PDEs · Mathematics 2019-09-09 Zonglin Jia , Boling Guo

Some systems of nonlinear wave equations admit global solutions for all sufficiently small initial data, while others do not. The (classical) null condition guarantees that such a result holds, but it is too strong to capture certain…

Analysis of PDEs · Mathematics 2019-06-06 Joseph Keir

In the first part of this work we show a uniqueness result for globally hyperbolic spacetimes with a spacelike conformal boundary satisfying the vacuum Einstein equations with positive cosmological constant. Then we present applications of…

General Relativity and Quantum Cosmology · Physics 2018-03-06 Didier A. Solis

In this paper we prove the global existence of classical static solutions of Einstein gravitational theory coupled to a real scalar field where the spacetime admits spherically symmetry. The equations of motions can then be reduced into a…

Mathematical Physics · Physics 2023-01-16 Mirda Prisma Wijayanto , Emir Syahreza Fadhilla , Fiki Taufik Akbar , Bobby Eka Gunara

We make use of an improved existence result for the characteristic initial value problem for the conformal Einstein equations to show that given initial data on two null hypersurfaces $\mathcal{N}_\star$ and $\mathcal{N}'_\star$ such that…

General Relativity and Quantum Cosmology · Physics 2024-06-19 Peng Zhao , David Hilditch , Juan A. Valiente Kroon
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