Ricci Solitons on a family of three dimensional Lorentzian Walker manifolds

A. Diatta, M. Ciss, A. S. Diallo

A Ricci soliton is a natural generalization of an Einstein metric. On a pseudo-Riemannian manifold (M, g), it is defined by : $LX g + \r{ho} = λ g, where X is a smooth vector field…