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Existence, uniqueness and other properties of the BCT (minimal strain lapse and shift) gauge

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arxiv gr-qc/0003113 v1 pith:F4QOT2H5 submitted 2000-03-31 gr-qc

David Garfinkle , Carsten Gundlach , James Isenberg , Niall OMurchadha This is my paper · ORCID
classification gr-qc
keywords gaugeevolutionsexistencelapsenumericalshiftuniquenessbrady
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Brady, Creighton and Thorne have proposed a choice of the lapse and shift for numerical evolutions in general relativity that extremizes a measure of the rate of change of the three-metric (BCT gauge). We investigate existence and uniqueness of this gauge, and comment on its use in numerical time evolutions.

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