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arXiv 0812.1823math.DG
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Ricci Yang-Mills流在Einstein Yang-Mills度规下的稳定性

Stability of the Ricci Yang-Mills flow at Einstein Yang-Mills metrics

Andrea Young

摘要:

设$P$是闭流形$M$上的主U(1)-丛.在$P$上,人们可以定义一个修改版本的里奇流,称为里奇杨-米尔斯流,因为这些方程是里奇流和杨-米尔斯热流的耦合。利用极大正则性理论和Simonett关于抽象拟线性抛物型偏微分方程渐近行为的思想,研究了二维Einstein Yang-Mills度规下体积归一化Ricci Yang-Mills流的稳定性.在某些情况下,我们表明存在一个中心流形的不动点,而在其他情况下,我们表明存在一个渐近稳定的不动点。

英文摘要:

Let $P$ be a principal U(1)-bundle over a closed manifold $M$. On $P$, one can define a modified version of the Ricci flow called the Ricci Yang-Mills flow, due to these equations being a coupling of Ricci flow and the Yang-Mills heat flow. We use maximal regularity theory and ideas of Simonett concerning the asymptotic behavior of abstract quasilinear parabolic partial differential equations to study the stability of the volume-normalized Ricci Yang-Mills flow at Einstein Yang-Mills metrics in dimension two. In certain cases, we show the presence of a center manifold of fixed points, while in others, we show the existence of an asymptotically stable fixed point.

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