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Averaging and back-reaction in relativistic cosmology Mauro Carfora University of Pavia. (i) GR Initial data sets on Closed Constant Mean Curvature 3-Manifolds. Definition of scale-dependent averaging of initial data sets. Looking for geometrical averaging. Euclidean geometry
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Averaging and back-reaction in relativistic cosmology Mauro CarforaUniversity of Pavia
(i) GR Initial data sets on Closed Constant Mean Curvature 3-Manifolds
Definition of scale-dependent averaging of initial data sets
Euclidean geometry Hyperbolic geometry Spherical geometry The geometry of S2 x R The geometry of H2x R The geometry of SL2R Nil geometry , or Sol geometry .