485 citations · 1.3k across the 32 of their papers we have counts for
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gr-qc2020★ 6 cited
The problem of ultracompact rotating gravastars
Mieszko Rutkowski, Andrzej Rostworowski
A number of authors provided arguments that a rotating gravastar is a good candidate for a source of the Kerr metric. These arguments were based on the second order perturbation an…
gr-qc2020★ 6 cited
AdS instability: resonant system for gravitational perturbations of AdS in the cohomogeneity-two biaxial Bianchi IX ansatz
Dominika Hunik-Kostyra, Andrzej Rostworowski
We consider five-dimensional, vacuum Einstein equations with negative cosmological constant within cohomogenity-two biaxial Bianchi IX ansatz. This model allows to investigate the…