401 citations · 1.7k across the 60 of their papers we have counts for
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gr-qc2005★ 156 cited
Relativistic conservation laws and integral constraints for large cosmological perturbations
Joseph Katz, Jiri Bicak, Donald Lynden-Bell
For every mapping of a perturbed spacetime onto a background and with any vector field we construct a conserved covariant vector density , which is the divergence of a co…
gr-qc2005★ 12 cited
On the uniqueness of harmonic coordinates
Jiri Bicak, Joseph Katz
Harmonic coordinate conditions in stationary asymptotically flat spacetimes with matter sources have more than one solution. The solutions depend on the degree of smoothness of the…