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Computational challenges in numerical relativity in the gravitational-wave era

Gravitational-wave discoveries have ignited a new era of astronomy. Numerical relativity plays a crucial role in modeling gravitational-wave sources for current and next-generation observatories, but it doesn’t come without computational challenges.

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Fig. 1: A snapshot of a numerical-relativity calculation of colliding black holes.

N. Fischer, H. Pfeiffer, A. Buonanno (Max Planck Institute for Gravitational Physics), Simulating eXtreme Spacetimes (SXS) Collaboration10

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Acknowledgements

I am pleased to thank N. Fischer, S. Ossokine, H. Pfeiffer, M. Scheel and S. Teukolsky for helpful discussions and suggestions. This comment was supported in part by National Science Foundation awards PHY-1654359, PHY-1836734 and AST-1559694, by the Dan Black Family Trust, and by Nicholas and Lee Begovich.

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Correspondence to Geoffrey Lovelace.

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Lovelace, G. Computational challenges in numerical relativity in the gravitational-wave era. Nat Comput Sci 1, 450–452 (2021). https://doi.org/10.1038/s43588-021-00102-2

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