Stability of open universes

Details Stability of open universes Stability of open universes

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..47..738b&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 47, Issue 2, 15 January 1993, pp.738-742

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In this Comment I discuss the application of the dynamic systems approach to the stability analysis of relativistic open cosmological models. Although the method is powerful and in principle applicable to more realistic situations than those discussed here, I point out that an analysis recently carried out is flawed by a wrong assumption on the allowed range for a scale parameter q and by a misinterpretation of the perturbation variables. Perturbations in models with the equation of state p=wμ(01.

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