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Navigation Finsler metrics on a gradient Ricci soliton

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In this paper,we study a class of Finsler metrics defined by a vector field on a gradient Ricci soliton.We obtain a necessary and sufficient condition for these Finsler metrics on a compact gradient Ricci soliton to be of isotropic S-curvature by establishing a new integral inequality.Then we determine the Ricci curvature of navigation Finsler metrics of isotropic S-curvature on a gradient Ricci soliton generalizing result only known in the case when such soliton is of Einstein type.As its application,we obtain the Ricci curvature of all navigation Finsler metrics of isotropic S-curvature on Gaussian shrinking soliton.

gradient Ricci solitonnavigation Finsler metricisotropic S-curvatureRicci curvatureGaussian shrinking soliton

LI Ying、MO Xiao-huan、WANG Xiao-yang

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Department of Applied Mathematics,Zhejiang University of Technology,Hangzhou 310023,China

Key Laboratory of Pure and Applied Mathematics,School of Mathematical Sciences,Peking Univer-sity,Beijing 100871,China

School of Mathematics and Statistics,Beijing Institute of Technology,Beijing 100081,China

国家自然科学基金国家自然科学基金

1177102012171005

2024

高校应用数学学报B辑(英文版)
浙江大学 中国工业与应用数学学会

高校应用数学学报B辑(英文版)

影响因子:0.146
ISSN:1005-1031
年,卷(期):2024.39(2)
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