Abstract
We show the existence of non-Einstein homogeneous critical metrics for any quadratic curvature functional in dimension three.
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Brozos-Vázquez, M., García-Río, E. & Caeiro-Oliveira, S. Three-dimensional homogeneous critical metrics for quadratic curvature functionals. Annali di Matematica 200, 363–378 (2021). https://doi.org/10.1007/s10231-020-00999-y
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DOI: https://doi.org/10.1007/s10231-020-00999-y