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- W2887326506 abstract "We study the phase space of the quintom cosmologies for a class of exponential potentials. We combine normal forms expansions and the center manifold theory in order to describe the dynamics near equilibrium sets. Furthermore, we construct the unstable and center manifold of the massless scalar field cosmology motivated by the numerical results given in Lazkoz and Leon (Phys Lett B 638:303. arXiv:astro-ph/0602590, 2006). We study the role of the curvature on the dynamics. Several monotonic functions are defined on relevant invariant sets for the quintom cosmology. Finally, conservation laws of the cosmological field equations and algebraic solutions are determined by using the symmetry analysis and the singularity analysis." @default.
- W2887326506 created "2018-08-22" @default.
- W2887326506 creator A5010493400 @default.
- W2887326506 creator A5042216148 @default.
- W2887326506 creator A5077055758 @default.
- W2887326506 date "2018-09-01" @default.
- W2887326506 modified "2023-10-18" @default.
- W2887326506 title "The past and future dynamics of quintom dark energy models" @default.
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- W2887326506 doi "https://doi.org/10.1140/epjc/s10052-018-6225-y" @default.
- W2887326506 hasPublicationYear "2018" @default.
- W2887326506 type Work @default.