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Paper detail

Generic instability of the dynamics underlying the Belinski-Khalatnikov-Lifshitz scenario

A class of exact solutions to the Belinski-Khalatnikov-Lifshitz (BKL) scenario is derived and tested for their stability against small perturbations. These are the only regular solutions in the Painlevé sense. We prove that they are unstable in the vicinity of the cosmological singularity. Regularity of the dynamics is also examined with the dynamical systems method. Our results confirm the conjecture of BKL that the dynamics near the singularity becomes generically chaotic.

preprint2022arXivOpen access
Piotr GoldsteinWłodzimierz Piechocki
math-phmath.MPgr-qcnlin.SI
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Piotr GoldsteinWłodzimierz Piechocki

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