217 citations · 869 across the 30 of their papers we have counts for
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gr-qc1999★ 4 cited
Quadratic Lagrangians and Topology in Gauge Theory Gravity
Antony Lewis, Chris Doran, Anthony Lasenby
We consider topological contributions to the action integral in a gauge theory formulation of gravity. Two topological invariants are found and are shown to arise from the scalar a…
gr-qc1999★ 148 cited
A new form of the Kerr solution
Chris Doran
A new form of the Kerr solution is presented. The solution involves a time coordinate which represents the local proper time for free-falling observers on a set of simple trajector…