Mathematics – Logic
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988gsg..rept.....c&link_type=abstract
Unknown
Mathematics
Logic
Cosmology, Geodesic Lines, Geometry, Gravitational Fields, Relativity, Dimensions, Infinity, Riemann Manifold, Scalars, Tensors
Scientific paper
We discuss the geometric structure of the configuration space of pure gravity. This is an infinite dimensional manifold, M, where each point represents one spatial geometry g(sub ij) (x). The metric on M is dictated by geometrodynamics, and from it, the Christoffel symbols and Riemann tensor can be found. A free geometry tracing a geodesic on the manifold describes the time evolution of space in the strong gravity limit. In a regularization previously introduced by the authors, it is found that M does not have the same dimensionality, D, everywhere, and that D is not a scalar, although it is covariantly constant. In this regularization, it is seen that the path integral measure can be absorbed in a renormalization of the cosmological constant.
Christodoulakis Th.
Zanelli Jorge
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