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arXiv 1303.7170math.DG
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高维线性化里奇流系统解的Pinching估计

Pinching estimates for solutions of the linearized Ricci flow system in higher dimensions

Jia-Yong Wu, Jian-Biao Chen

摘要:

证明了线性化里奇流系统在具有正数量曲率和零Weyl张量的$n\geq 4$维闭流形上解的Pinching估计.如果去掉Weyl张量为零的条件,我们只能在短时间内给出一个由爆破函数控制的粗略的pinching估计。这些结果扩展了Anderson和Chow(2005)\cite{[AC]}的$3$维情形.

英文摘要:

We prove pinching estimates for solutions of the linearized Ricci flow system on a closed manifold of dimension $n\geq 4$ with positive scalar curvature and vanishing Weyl tensor. If the vanishing Weyl tensor condition is removed, we only give a rough pinching estimate controlled by some blow-up function in a short time. These results extend the $3$-dimensional case due to Anderson and Chow (2005) \cite{[AC]}.

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