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Almost Ricci-like solitons with torse-forming vertical potential of constant length on almost contact B-metric manifolds
Journal of Geometry and Physics ( IF 1.6 ) Pub Date : 2021-06-11 , DOI: 10.1016/j.geomphys.2021.104307 Mancho Manev
中文翻译:
在几乎接触的 B 度量流形上具有恒定长度的扭转形成垂直势的几乎类 Ricci 孤子
更新日期:2021-06-15
Journal of Geometry and Physics ( IF 1.6 ) Pub Date : 2021-06-11 , DOI: 10.1016/j.geomphys.2021.104307 Mancho Manev
A generalization of Ricci-like solitons with torse-forming potential, which is constant multiple of the Reeb vector field, is studied. The conditions under which these solitons are equivalent to almost Einstein-like metrics are given. Some results are obtained for a parallel symmetric second-order covariant tensor. Finally, an explicit example of an arbitrary dimension is given and some of the results are illustrated.
中文翻译:
在几乎接触的 B 度量流形上具有恒定长度的扭转形成垂直势的几乎类 Ricci 孤子
研究了具有扭转形成势的类 Ricci 孤子的推广,该势是 Reeb 矢量场的常数倍。给出了这些孤子等效于几乎类似于爱因斯坦的度量的条件。对于平行对称二阶协变张量,获得了一些结果。最后,给出了一个任意维度的明确示例,并说明了一些结果。