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Einstein metrics in projective geometry

Cap, Andreas; Gover, Rod; Macbeth, H R M


It is well known that pseudo-Riemannian metrics in the projective class of a given torsion free affine connection can be obtained from (and are equivalent to) the solutions of a certain overdetermined projectively invariant differential equation. This equation is a special case of a so-called first Bernstein-Gelfand-Gelfand (BGG) equation. The general theory of such equations singles out a subclass of so-called normal solutions. We prove that non-degenerate normal solutions are equivalent to...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Geometriae Dedicata
DOI: 10.1007/s10711-013-9828-3


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