-Einstein contact metric manifolds with purely transversal Bach tensor
Tom 126 / 2021
Annales Polonici Mathematici 126 (2021), 241-250
MSC: Primary 53C25; Secondary 53D10.
DOI: 10.4064/ap201007-18-2
Opublikowany online: 17 May 2021
Streszczenie
We prove that every (2n+1)-dimensional \eta -Einstein contact metric manifold (i.e., the Ricci tensor S satisfies S = \alpha g + \beta \eta \otimes \eta for some smooth functions \alpha , \beta ) with purely transversal Bach tensor is Einstein.