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Physics  1996 

Hamiltonian Gravity and Noncommutative Geometry

DOI: 10.1007/s002200050145

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A version of foliated spacetime is constructed in which the spatial geometry is described as a time dependent noncommutative geometry. The ADM version of the gravitational action is expressed in terms of these variables. It is shown that the vector constraint is obtained without the need for an extraneous shift vector in the action.


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