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检索条件"主题词=homothetic vector field"
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Conformal vector fields on Finsler Warped Product Manifolds
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Acta Mathematica Sinica,English Series 2023年 第8期39卷 1624-1634页
作者: Xiao Ling ZHANG Ya Lu FENG College of Mathematics and Systems Science Xinjiang UniversityUrumqi 830046P.R.China
In this paper,we study the conformal vector fields on Finsler warped product *** obtain a system of equivalent equations that the conformal vector fields on Finsler warped product manifolds satisfy and completely char... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Isoparametric Hypersurfaces Induced by Navigation in Lorentz Finsler Geometry
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Acta Mathematica Sinica,English Series 2023年 第8期39卷 1547-1564页
作者: Ming XU Ju TAN Na XU School of Mathematical Sciences Capital Normal UniversityBeijing 100048P.R.China School of Microelectronics and Data Science Anhui University of TechnologyMaanshan 243032P.R.China
Using a navigation process with the datum(F,V),in which F is a Finsler metric and the smooth tangent vector field V satisfies F(−V(x))>1 everywhere,a Lorentz Finsler metric F˜can be *** functions and isoparametric hyp... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Self-Similar Solutions of the Kantowski-Sachs Model with a Perfect Fluid in General Relativity
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Journal of Applied Mathematics and Physics 2021年 第12期9卷 3165-3176页
作者: Ragab M. Gad Sadah A. Alkhateeb Hanan D. Alharbi Mathematics Department Faculty of Science University of Jeddah Jeddah KSA Mathematics Department Faculty of Science Minia University El-Minia Egypt
Exact self-similar solutions to Einstein’s field equations for the Kantowski-Sachs space-time are determined. The self-similarity property is applied to determine the functional form of the unknown functions that def... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论