Campbell's theorem (geometry)
Campbell's theorem, named after
mathematical theorem guaranteeing that any n-dimensional Riemannian manifold can be locally embedded in an (n + 1)-dimensional Ricci-flat Riemannian manifold.[1]
Statement
Campbell's theorem states that any
n-dimensional Riemannian manifold can be embedded locally in an (n + 1)-manifold with a Ricci curvature of R'a b = 0. The theorem also states, in similar form, that an n-dimensional pseudo-Riemannian manifold can be both locally and isometrically embedded in an n(n + 1)/2-pseudo-Euclidean space
.
Applications
Campbell’s theorem can be used to produce the embedding of numerous
n-dimensional Einstein spaces.[2]
References
- ^ Romero, Carlos, Reza Tavakol, and Roustam Zalaltedinov. The Embedding of General Relativity in Five Dimensions. N.p.: Springer Netherlands, 2005.
- ^ Lindsey, James E., et al. "On Applications of Campbell's Embedding Theorem." On Applications of Campbell's Embedding Theorem 14 (1997): 1 17. Abstract.
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