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gr-qc1994★ 24 cited
Hollow cosmic string: the general-relativistic hollow cylinder
Gérard Clément, Ilhem Zouzou
We determine the different possible space-time metrics inside an infinite rotating hollow cylinder with given energy density and longitudinal and azimuthal stresses, the metric out…
gr-qc1994★ 14 cited
Multi-Black-Holes in Three Dimensions
Gérard Clément
We construct time-dependent multi-centre solutions to three-dimensional general relativity with zero or negative cosmological constant. These solutions correspond to dynamical syst…