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Mach, the Universe, and Foundations of Mechanics

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arxiv 1108.3059 v2 pith:6ZQLGK2G submitted 2011-08-15 gr-qc

Mach, the Universe, and Foundations of Mechanics

classification gr-qc
keywords machuniverseapproachbarbourprincipleagreementcloseddata
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Barbour's response to our recent paper on "Mach's principle and higher-dimensional dynamics" describes an approach to Mach's principle in which the universe as a whole is involved in the definition of inertial frames of reference. Moreover, Barbour's theoretical procedure is in agreement with general relativity for a finite universe that is spatially closed. However, we prefer an operational approach that relies ultimately on observational data.

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