Statistics – Applications
Scientific paper
May 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977gregr...8..321m&link_type=abstract
General Relativity and Gravitation, vol. 8, May 1977, p. 321-345.
Statistics
Applications
11
Boundary Value Problems, Conformal Mapping, Gravitational Fields, Metric Space, Relativity, Constraints, Hamiltonian Functions, Laplace Transformation, Riemann Manifold, Tensors
Scientific paper
Conformal techniques are reviewed with respect to applications to the initial-value problem of general relativity. Invariant transverse traceless decompositions of tensors, one of its main tools, are related to representations of the group of 'conformeomorphisms' acting on the space of all Riemannian metrics on M. Conformal vector fields, a kernel in the decomposition, are analyzed on compact manifolds with constant scalar curvature. The realization of arbitrary functions as scalar curvature of conformally equivalent metrics, a generalization of Yamabe's (1960) conjecture, is applied to the Hamiltonian constraint and to the issue of positive energy of gravitational fields. Various approaches to the solution of the initial-value equations produced by altering the scaling behavior of the second fundamental form are compared.
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