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gr-qc2013★ 15 cited
Asymptotic vacua with higher derivatives
Spiros Cotsakis, Seifedine Kadry, Georgios Kolionis +1
We study limits of vacuum, isotropic universes in the full, effective, four-dimensional theory with higher derivatives. We show that all flat vacua as well as general curved ones a…
gr-qc2013
Asymptotic states of generalized universes with higher derivatives
Spiros Cotsakis, Georgios Kolionis, Antonios Tsokaros
We review ongoing research related to the asymptotic dynamics of isotropic universes in theories with higher derivatives, especially near the initial singularity. We treat two majo…