About Time
classification
🌀 gr-qc
keywords
timeallowingarbitrarinesscanonicalconceptconsistentcontextdefinition
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The concept of time is discussed in the context of the canonical formulation of the gravitational field. Using a hypersurface orthogonal foliation, the arbitrariness of the lapse function is eliminated and the shift vector vanishes, allowing a consistent definition of time.
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