On the non-linearity of the subsidiary systems
classification
🌀 gr-qc
keywords
systemsconstraintgaugesubsidiarycalculationscatastrophicclassconditions
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In hyperbolic reductions of the Einstein equations the evolution of gauge conditions or constraint quantities is controlled by subsidiary systems. We point out a class of non-linearities in these systems which may have the potential of generating catastrophic growth of gauge resp. constraint violations in numerical calculations.
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