The nonlinear stability of -dimensional FLRW spacetimes
P Mondal - Journal of Hyperbolic Differential Equations, 2024 - World Scientific
We prove nonlinear Lyapunov stability of a family of “(n+ 1)”-dimensional cosmological
models of general relativity locally isometric to the Friedman–Lemaître–Robertson–Walker …
models of general relativity locally isometric to the Friedman–Lemaître–Robertson–Walker …
On the global well-posedness of the Einstein–Yang–Mills system
P Griggs, P Mondal - Journal of Mathematical Physics, 2023 - pubs.aip.org
In this paper, we present a partial result on the global well-posedness of the Cauchy
problem for the Einstein–Yang–Mills system in constant mean extrinsic curvature spatial …
problem for the Einstein–Yang–Mills system in constant mean extrinsic curvature spatial …
Examples of cosmological spacetimes without CMC Cauchy surfaces
CMC (constant mean curvature) Cauchy surfaces play an important role in mathematical
relativity as finding solutions to the vacuum Einstein constraint equations is made much …
relativity as finding solutions to the vacuum Einstein constraint equations is made much …
The linear stability of the n+ 1 dimensional FLRW spacetimes
P Mondal - Classical and Quantum Gravity, 2021 - iopscience.iop.org
Here we prove the linear stability of a family of'n+ 1'-dimensional cosmological models of
general relativity locally isometric to the Friedmann Lemaître Robertson Walker (FLRW) …
general relativity locally isometric to the Friedmann Lemaître Robertson Walker (FLRW) …
Causal geodesic incompleteness of spacetimes arising from IMP gluing
M Burkhart, D Pollack - General Relativity and Gravitation, 2019 - Springer
Abstract In 2002, Isenberg–Mazzeo–Pollack (IMP) constructed a family of vacuum initial data
sets via a gluing construction. In this paper, we investigate some local geometry of these …
sets via a gluing construction. In this paper, we investigate some local geometry of these …
Spacelike hypersurfaces in twisted product spacetimes with complete fiber and Calabi–Bernstein-type problems
A Soria - Journal of Geometry, 2023 - Springer
In this article spacelike hypersurfaces immersed in twisted product spacetimes I× f F with
complete fiber are studied. Several conditions ensuring global hyperbolicity are presented …
complete fiber are studied. Several conditions ensuring global hyperbolicity are presented …
Local well-posedness of the Einstein-Yang-Mills system in constant mean extrinsic curvature spatial harmonic generalized Coulomb gauge
P Mondal - Journal of Mathematical Physics, 2023 - pubs.aip.org
We study the local well-posedness of the Einstein-Yang-Mills equations in constant mean
extrinsic curvature spatial harmonic generalized Coulomb gauge. In this choice of gauge …
extrinsic curvature spatial harmonic generalized Coulomb gauge. In this choice of gauge …
The equivalence of smooth and synthetic notions of timelike sectional curvature bounds
T Beran, M Kunzinger, A Ohanyan, F Rott - arXiv preprint arXiv …, 2024 - arxiv.org
Timelike sectional curvature bounds play an important role in spacetime geometry, both for
the understanding of classical smooth spacetimes and for the study of Lorentzian (pre-) …
the understanding of classical smooth spacetimes and for the study of Lorentzian (pre-) …
Remarks on the existence of CMC Cauchy surfaces
GJ Galloway, E Ling - International Meeting on Lorentzian Geometry, 2021 - Springer
As is well known, constant mean curvature (CMC) spacelike hypersurfaces play an
important role in solving the Einstein equations, both in solving the contraints and the …
important role in solving the Einstein equations, both in solving the contraints and the …
Vacuum cosmological spacetimes without CMC Cauchy surfaces
In this article, we extend a construction of [6] to obtain a large class of vacuum cosmological
spacetimes that do not contain any CMC Cauchy surfaces. The allowed spatial topologies …
spacetimes that do not contain any CMC Cauchy surfaces. The allowed spatial topologies …