Stability of Asymptotic Behavior Within Polarised $T^2$-Symmetric Vacuum Solutions with Cosmological Constant

Abstract

We prove the nonlinear stability of the asymptotic behavior of perturbations of subfamilies of Kasner solutions in the contracting time direction within the class of polarised $T^2$-symmetric solutions of the vacuum Einstein equations with arbitrary cosmological constant $\Lambda$. This stability result generalizes the results proven in [3], which focus on the $\Lambda =0$ case, and as in that article, the proof relies on an areal time foliation and Fuchsian techniques. Even for $\Lambda =0$, the results established here apply to a wider class of perturbations of Kasner solutions within the family of polarised $T^2$-symmetric vacuum solutions than those considered in [3] and [26]. Our results establish that the areal time coordinate takes all values in $(0,T_0]$ for some $T_0>0$, for certain families of polarised $T^2$-symmetric solutions with cosmological constant.

20 pages

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• Analytic description of singularities in Gowdy spacetimes
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Cited by in corpus (1)

• Localized big bang stability for the Einstein-scalar field equations