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gr-qc2016★ 20 cited
Axially symmetric, asymptotically flat vacuum metric with a naked singularity and closed timelike curves
Debojit Sarma, Faizuddin Ahmed, Mahadev Patgiri
We present an axially symmetric, asymptotically flat empty space solution of the Einstein field equations containing a naked singularity. The spacetime is regular everywhere except…
gr-qc2012★ 1 cited
Causality violation in plane wave spacetimes
Debojit Sarma, Mahadev Patgiri, Faiz Uddin Ahmed
It is widely held that plane wave spacetimes are causally well behaved which means that they are free from causal pathologies such as closed timelike curves or closed null geodesic…