摘要
研究了扭积和梯度近Ricci孤立子的关系问题.获得了一类扭积形式的梯度近Ricci孤立子,推广了梯度近Ricci孤立子的存在范围.
This paper deals with a relationship between warped product and gradient almost Ricci soliton. A class gradient almost Ricci soliton warped products is obtained.
作者
李书亮
LI Shuliang(School of Mathematics and Statistics, Wuhan University, Wuhan 430072, China)
出处
《数学年刊(A辑)》
CSCD
北大核心
2018年第2期173-182,共10页
Chinese Annals of Mathematics
关键词
扭积
近Ricci孤立子
二阶非齐次线性微分方程
Warped product
Gradient almost Ricci soliton
Second-order non-homogeneous linear differential equation