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Compatibility of φ(Ric)-vector fields on almost pseudo-Ricci symmetric manifolds
International Journal of Geometric Methods in Modern Physics ( IF 1.8 ) Pub Date : 2021-05-12 , DOI: 10.1142/s0219887821501280 Hülya Baḡdatlı Yılmaz 1 , S. Aynur Uysal 2
International Journal of Geometric Methods in Modern Physics ( IF 1.8 ) Pub Date : 2021-05-12 , DOI: 10.1142/s0219887821501280 Hülya Baḡdatlı Yılmaz 1 , S. Aynur Uysal 2
Affiliation
The object of the paper is to study the compatibility of φ ( Ric ) -vector fields on almost pseudo-Ricci symmetric manifolds, briefly A ( PRS ) n . First, we show the existence of an A ( PRS ) n whose basic vector field w ( X ) is a φ ( Ric ) -vector field by constructing a non-trivial example. Then, we investigate the properties of the Riemann and Weyl compatibility of A ( PRS ) n under certain conditions. We consider an A ( PRS ) 4 space-time whose basic vector fields π ( X ) and ω ( X ) is φ ( Ric ) -vector fields of constant length. Moreover, we show that an A ( PRS ) 4 space-time whose Ricci tensor is of Codazzi type and basic vector field ω ( X ) is φ ( Ric ) -vector field is purely electric space-time.
中文翻译:
几乎伪 Ricci 对称流形上 φ(Ric)-向量场的兼容性
本文的目的是研究兼容性φ ( 里克 ) - 几乎伪 Ricci 对称流形上的向量场,简要介绍一种 ( 个人退休计划 ) n . 首先,我们证明存在一个一种 ( 个人退休计划 ) n 其基本向量场w ( X ) 是一个φ ( 里克 ) -vector 场通过构造一个非平凡的例子。然后,我们研究了 Riemann 和 Weyl 相容性的性质一种 ( 个人退休计划 ) n 在一定条件下。我们考虑一个一种 ( 个人退休计划 ) 4 其基本向量场的时空π ( X ) 和ω ( X ) 是φ ( 里克 ) - 恒定长度的向量场。此外,我们证明了一个一种 ( 个人退休计划 ) 4 Ricci 张量为 Codazzi 型和基本向量场的时空ω ( X ) 是φ ( 里克 ) -矢量场是纯电时空。
更新日期:2021-05-12
中文翻译:
几乎伪 Ricci 对称流形上 φ(Ric)-向量场的兼容性
本文的目的是研究兼容性