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gr-qc2003★ 16 cited
Conformal Einstein equations and Cartan conformal connection
Carlos Kozameh, Ezra T Newman, Pawel Nurowski
Necessary and sufficient conditions for a space-time to be conformal to an Einstein space-time are interpreted in terms of curvature restrictions for the corresponding Cartan confo…
gr-qc1997★ 2 cited
Elliptic fibrations associated with the Einstein spacetimes
Pawel Nurowski
Given a conformally nonflat Einstein spacetime we define a fibration over it. The fibres of this fibration are elliptic curves (2-dimensional tori) or their degenerate counterp…