12 citations · 27 across the 3 of their papers we have counts for
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gr-qc2004★ 12 cited
Holonomy and projective symmetry in space-times
G. S. Hall, D. P. Lonie
It is shown using a space-time curvature classification and decomposition that for certain holonomy types of a space-time, proper projective vector fields cannot exist. Existence i…
gr-qc2004
The Determination of the Metric by the Weyl and Energy-Momentum Tensors
G. S. Hall, M. Sharif
This brief paper investigates the consequences for the metric tensor of space-time when the Weyl tensor (in its conformally invariant form) and the energy-momentum tensor is specif…