On the almost sure global well-posedness of energy sub-critical nonlinear wave equations on $mathbb{R}^3$

On the almost sure global well-posedness of energy sub-critical nonlinear wave equations on $mathbb{R}^3$
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关于 $mathbb{R}^3$ 上能量亚临界非线性波动方程几乎确定的全局适定性

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发表时间:
2015
期刊:
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通讯作者:
Dana Mendelson
Dana Mendelson
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作者:
J. Luhrmann;Dana Mendelson

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考虑R - 3上的能量亚临界离焦非线性波动方程,在欧几里得空间上对初始数据的单位尺度随机化,建立了全局唯一解的存在性。特别地,我们提供了在超临界规律下的初始数据的例子,这些数据会导致唯一的全局解。该证明是基于对一个新的修正后的模型的概率增长估计
We consider energy sub-critical defocusing nonlinear wave equations on R 3 and establish the existence of unique global solutions al- most surely with respect to a unit-scale randomization of the initial data on Euclidean space. In particular, we provide examples of initial data at super-critical regularities which lead to unique global solutions. The proof is based on probabilistic growth estimates for a new modied en-