Phys. Rev. D 49, 879–882 (1994)No new symmetries of the vacuum Einstein equationsReceived 9 August 1993; published in the issue dated 15 January 1994 We examine some recently proposed solutions of the linearized vacuum Einstein equations. We show that such solutions are not symmetries of the Einstein equations, because of a crucial integrability condition. © 1994 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.49.879
DOI:
10.1103/PhysRevD.49.879
PACS:
04.20.Jb, 04.20.Cv
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