关于具有某些类型矢量场的爱因斯坦孤子的注记

IF 0.4 Q4 MATHEMATICS
A. Blaga, D. Laţcu
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引用次数: 2

摘要

当V是梯度、螺线管或稠圆向量场时,我们考虑黎曼流形中的几乎爱因斯坦孤子(V,λ)。我们通过梯度向量场V明确地表达了函数λ,并用合适的例子说明了结果。此外,当流形的Ricci曲率张量满足一定的对称条件时,我们还推导了一些几何性质。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Remarks on Einstein solitons with certain types of vector field
We consider almost Einstein solitons ( V, λ ) in a Riemannian manifold when V is a gradient, a solenoidal or a concircular vector field. We explicitly express the function λ by means of the gradient vector field V and illustrate the result with suitable examples. Moreover, we deduce some geometric properties when the Ricci curvature tensor of the manifold satisfies certain symmetry conditions.
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来源期刊
CiteScore
0.80
自引率
14.30%
发文量
32
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