Einstein's Equation in Ashtekar's Variables Constitutes a Symmetric Hyperbolic System
- 15 December 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 79 (24) , 4732-4735
- https://doi.org/10.1103/physrevlett.79.4732
Abstract
We show that the vacuum Einstein field equation in Ashtekar's variables constitutes a first-order symmetric hyperbolic system for arbitrary but fixed lapse and shift fields, by suitable adding to the system terms proportional to the constraint equations.
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