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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

On the completeness of gradient Ricci solitons


Author: Zhu-Hong Zhang
Journal: Proc. Amer. Math. Soc. 137 (2009), 2755-2759
MSC (2000): Primary 53C20
Posted: March 18, 2009
MathSciNet review: 2497489
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Abstract | References | Similar Articles | Additional Information

Abstract: A gradient Ricci soliton is a triple $ (M,g,f)$ satisfying $ R_{ij}+\nabla_i\nabla_j f =\lambda g_{ij}$ for some real number $ \lambda$. In this paper, we will show that the completeness of the metric $ g$ implies that of the vector field $ \nabla f$.


References [Enhancements On Off] (What's this?)

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Additional Information

Zhu-Hong Zhang
Affiliation: Department of Mathematics, Sun Yat-sen University, Guangzhou, People’s Republic of China 510275
Email: juhoncheung@sina.com

DOI: http://dx.doi.org/10.1090/S0002-9939-09-09866-9
PII: S 0002-9939(09)09866-9
Keywords: Completeness, gradient Ricci soliton, gradient self-similar solution
Received by editor(s): September 22, 2008
Received by editor(s) in revised form: December 30, 2008
Posted: March 18, 2009
Additional Notes: The author was supported in part by NSFC 10831008 and NKBRPC 2006CB805905.
Communicated by: Richard A. Wentworth
Article copyright: © Copyright 2009 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.




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