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arXiv 2409.14733math.APmath-phmath.MP
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关于共旋波映射和等变杨-米尔斯联络的稳定自相似爆破

On stable self-similar blowup for corotational wave maps and equivariant Yang-Mills connections

Roland Donninger, Matthias Ostermann

AI总结:

针对所有能量超临界维度下的共旋波映射与等变杨-米尔斯方程,证明其显式自相似有限时间爆破解在趋近奇点未来光锥区域的非线性渐近稳定性,并发展适配相似坐标下的泛函分析框架以演化解附近的稳定波流。

摘要:

我们考虑从闵可夫斯基时空到球面的共旋波映射,以及所有能量超临界维度下的等变杨-米尔斯方程。两种模型均存在显式自相似有限时间爆破解,且这些解在奇点之后仍能继续存在。我们证明了这些解在趋近于奇点未来光锥的时空区域中的非线性渐近稳定性。为此,我们在适配的相似坐标下发展了一个通用的泛函分析框架,该框架允许在这类时空区域中演化自相似爆破解附近的稳定波流。

英文摘要:

We consider corotational wave maps from Minkowski spacetime into the sphere and the equivariant Yang-Mills equation for all energy-supercritical dimensions. Both models have explicit self-similar finite time blowup solutions, which continue to exist even past the singularity. We prove the nonlinear asymptotic stability of these solutions in spacetime regions that approach the future light cone of the singularity. For this, we develop a general functional analytic framework in adapted similarity coordinates that allows to evolve the stable wave flow near a self-similar blowup solution in such spacetime regions.

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