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1993

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High Energy Physics - Theory

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Gravitational Observables And Local Symmetries, Charles G. Torre Jan 1993

Gravitational Observables And Local Symmetries, Charles G. Torre

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Using a recent classification of local symmetries of the vacuum Einstein equations, it is shown that there can be no observables for the vacuum gravitational field (in a closed universe) built as spatial integrals of local functions of Cauchy data and their derivatives.

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