15 citations · 28 across the 2 of their papers we have counts for
2 papers
astro-ph1996★ 13 cited
Dynamics of Quiet Universes
Hiraku Mutoh, Toshinari Hirai, Kei-ichi Maeda
We study the stability of a contracting {\it silent universe}, which is a spacetime with irrotational dust and vanishing magnetic part of the Weyl tensor, . Two general r…
astro-ph1994★ 15 cited
Gauge-Invariant Cosmological Perturbations in Generalized Einstein Theories
Toshinari Hirai, Kei-ichi Maeda
Using the covariant approach and conformal transformations, we present a gauge-invariant formalism for cosmological perturbations in generalized Einstein theories (GETs), including…