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arXiv 2010.08086math.AP
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能量临界波映象方程的整体非散射解

Global, Non-scattering solutions to the energy critical wave maps equation

Mohandas Pillai

摘要:

本文研究了具有两个球目标的1-等变能量临界波映射问题。使用匹配的渐近展开的基础上的方法,我们构建了无限时间松弛,爆破,和中间类型的解决方案,拓扑度为1。更确切地说,对于一个符号类的容许,时间依赖的长度尺度,我们构造的解决方案,可以分解为一个基态谐波映射(孤子)重新缩放的容许长度尺度,加上辐射,和小的修正消失(在适当的意义上)作为时间接近无穷大。我们的容许长度尺度类包括t的正幂和负幂,指数的绝对值足够小。此外,我们还得到了孤子长度尺度在有界集内进行阻尼或无阻尼振荡,或对所有充分大的t进行无界振荡的解。

英文摘要:

We consider the 1-equivariant energy critical wave maps problem with two-sphere target. Using a method based on matched asymptotic expansions, we construct infinite time relaxation, blow-up, and intermediate types of solutions that have topological degree one. More precisely, for a symbol class of admissible, time-dependent length scales, we construct solutions which can be decomposed as a ground state harmonic map (soliton) re-scaled by an admissible length scale, plus radiation, and small corrections which vanish (in a suitable sense) as time approaches infinity. Our class of admissible length scales includes positive and negative powers of t, with exponents sufficiently small in absolute value. In addition, we obtain solutions with soliton length scale undergoing damped or undamped oscillations in a bounded set, or undergoing unbounded oscillations, for all sufficiently large t.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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