J. Korean Math. Soc. 2018; 55(2): 253-292
Online first article February 5, 2018 Printed March 1, 2018
https://doi.org/10.4134/JKMS.j170037
Copyright © The Korean Mathematical Society.
Jia-Yong Wu
Shanghai Maritime University
In this paper, we introduce a general Ricci flow system, which is closely linked with the Ricci flow and the renormalization group flow, etc. We prove the short-time existence, the entropy functionals, the higher derivatives estimates and the compactness theorem for this general Ricci flow system on closed Riemannian manifolds. These basic results are useful tools to understand the singularities of this system.
Keywords: Ricci flow, renormalization group flow, B-field, static Einstein vacuum equations, entropy, gradient estimates, compactness theorem
MSC numbers: Primary 53C44; Secondary 35K55, 35P15
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