We establish the existence of solvable Lie groups of dimension 4 and left- invariant Riemannian metrics with zero Bach tensor which are neither confor- mally Einstein nor half conformally flat
Four Dimensional Bach-flat Lie Groups- Preprint
ABBENA, Elsa;GARBIERO, Sergio;
2012-01-01
Abstract
We establish the existence of solvable Lie groups of dimension 4 and left- invariant Riemannian metrics with zero Bach tensor which are neither confor- mally Einstein nor half conformally flat
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