Abstract
In this paper we derive a relative volume comparison of Ricci flow under a certain local curvature condition. It is a refinement of Perelman’s no local collapsing theorem in Perelman (2002).
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Acknowledgements
The first author was supported by National Natural Science Foundation of China (Grant Nos. 11331001 and 11890661). The second author was supported by Beijing Natural Science Foundation (Grant No. Z180004), National Natural Science Foundation of China (Grant No. 11825105) and Ministry of Education of China (Grant No. 161001). The authors thank the referees for pointing out the typos.
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Tian, G., Zhang, Z. Relative volume comparison of Ricci flow. Sci. China Math. 64, 1937–1950 (2021). https://doi.org/10.1007/s11425-021-1869-5
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DOI: https://doi.org/10.1007/s11425-021-1869-5