146 citations · 275 across the 8 of their papers we have counts for
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gr-qc2006★ 6 cited
Local freedom in the gravitational field revisited
María Jesús Pareja, Malcolm A. H. MacCallum
Maartens {\it et al.}\@ gave a covariant characterization, in a 1+3 formalism based on a perfect fluid's velocity, of the parts of the first derivatives of the curvature tensor in…
gr-qc2006★ 6 cited
Constant scalar curvature hypersurfaces in extended Schwarzschild space-time
M. J. Pareja, J. Frauendiener
We present a class of spherically symmetric hypersurfaces in the Kruskal extension of the Schwarzschild space-time. The hypersurfaces have constant negative scalar curvature, so th…