A note on conformal Ricci flow

A note on conformal Ricci flow
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关于共形 Ricci 流的注解

DOI:
10.2140/pjm.2014.268.413
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发表时间:
2011-09
影响因子:
0.6
通讯作者:
Yu Zheng
Yu Zheng
中科院分区:
数学4区
文献类型:
--
作者:
Peng Lu;Jie Qing;Yu Zheng

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本文研究了亚瑟·菲舍尔在2004年提出的共形Ricci流。我们使用DeTurck的技巧来重写共形Ricci流作为一个强抛物椭圆偏微分方程。然后证明了紧流形和渐近平坦流形上共形Ricci流的短时存在性。证明了紧流形上的Yamabe常数是沿着共形Ricci流单调递增的。我们还证明了渐近平坦流形上的共形Ricci流是ADM质量的梯度流。© 2014 Mathematical Sciences Publishers.
In this note we study the conformal Ricci flow that Arthur Fischer introduced in 2004. We use DeTurck's trick to rewrite the conformal Ricci flow as a strong parabolic-elliptic partial differential equation. Then we prove short-time existence for the conformal Ricci flow on compact manifolds as well as on asymptotically flat manifolds. We show that the Yamabe constant is monotonically increasing along conformal Ricci flow on compact manifolds. We also show that the conformal Ricci flow is the gradient flow for the ADM mass on asymptotically flat manifolds. © 2014 Mathematical Sciences Publishers.
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