Ricci solitons in almost -cosymplectic manifolds
arXiv:1801.04398
Abstract
In this article we study an almost -cosymplectic manifold admitting a Ricci soliton. We first prove that there do not exist Ricci solitons on an almost cosymplectic -manifold. Further, we consider an almost -cosymplectic manifold admitting a Ricci soliton whose potential vector field is the Reeb vector field and show that a three dimesional almost -cosymplectic is a cosymplectic manifold. Finally we classify a three dimensional -Einstein almost -cosymplectic manifold admitting a Ricci soliton.
We correct the Theorem 1.1 and its proof