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Well-posedness of the scale-invariant tetrad formulation of the vacuum Einstein equations

David Garfinkle·Carsten Gundlach
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Abstract

We show that with a small modification, the formulation of the Einstein equations of Uggla et al, which uses tetrad variables normalised by the expansion, is a mixed symmetric hyperbolic/parabolic system. Well-posedness of the Cauchy problem follows from a standard theorem.

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David Garfinkle, Carsten Gundlach. 2005-06-06. Well-posedness of the scale-invariant tetrad formulation of the vacuum Einstein equations. https://doi.org/10.1088/0264-9381%2F22%2F13%2F011

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