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Error-analysis and comparison to analytical models of numerical waveforms produced by the NRAR Collaboration
The Numerical–Relativity–Analytical–Relativity (NRAR) collaboration is a joint effort between members of the numerical relativity, …
Caustic echoes from a Schwarzschild black hole
Animations on YouTube for nonrotating and rotating cases.

We present the first numerical approximation of the scalar Schwarzschild …