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The Cauchy problem on a characteristic cone for the Einstein equations in arbitrary dimensions

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arxiv 1006.4467 v1 pith:EXAP4BXK submitted 2010-06-23 gr-qc

classification gr-qc
keywords einsteinequationscauchyproblemarbitrarycharacteristicconeconstraints
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We derive explicit formulae for a set of constraints for the Einstein equations on a null hypersurface, in arbitrary dimensions. We solve these constraints and show that they provide necessary and sufficient conditions so that a spacetime solution of the Cauchy problem on a characteristic cone for the hyperbolic system of the reduced Einstein equations in wave-map gauge also satisfies the full Einstein equations. We prove a geometric uniqueness theorem for this Cauchy problem in the vacuum case.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Quantization of Gravity on Null Hypersurfaces

    hep-th 2026-07 conditional novelty 7.0 of 10

    An operator-algebraic quantization of the characteristic initial-value problem yields a candidate on-shell algebra for a gravitational subregion bounded by two null hypersurfaces.

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    cs.CV 2025-08 unverdicted novelty 6.0 of 10

    An invertible-NeRF test-time optimization approach tracks points in 2D and 3D across surgical videos, reporting roughly 50% higher average precision than prior optimization-based 2D trackers.

  3. Foundational Structure of Local Amplitudes in Quantum Gravity

    gr-qc 2025-08 conditional novelty 6.0 of 10

    Local amplitudes for causal diamonds can be constructed from null-slab boundary states, projectors, and vacuum intertwiners, with Ward identities and charge conservation as consequences.

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