arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1902.01153math.AP
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周期Benjamin-Ono方程的统计力学

Statistical Mechanics of the Periodic Benjamin-Ono Equation

Gordon Blower, Caroline Brett, Ian Doust

摘要:

周期Benjamin-Ono方程是$L^2({\mathbb T})$上具有Gibbs测度的自治哈密顿系统.证明了$L^2$的有界球上的Gibbs测度满足对数Sobolev不等式.由Case发现的周期Benjamin-Ono方程的$n$ -孤子解空间是一个具有不变Gibbs测度的哈密顿系统。作为$n\rightarrow\infty$,这些吉布斯测度表现出测度集中现象。Case介绍了在复平面中由原子测度参数化的孤子解。这些测量的极限分布给出了满足等熵欧拉方程的可压缩气体的密度。

英文摘要:

The periodic Benjamin-Ono equation is an autonomous Hamiltonian system with a Gibbs measure on $L^2({\mathbb T})$. The paper shows that the Gibbs measures on bounded balls of $L^2$ satisfy some logarithmic Sobolev inequalities. The space of $n$-soliton solutions of the periodic Benjamin-Ono equation, as discovered by Case, is a Hamiltonian system with an invariant Gibbs measure. As $n\rightarrow\infty$, these Gibbs measures exhibit a concentration of measure phenomenon. Case introduced soliton solutions that are parameterised by atomic measures in the complex plane. The limiting distributions of these measures gives the density of a compressible gas that satisfies the isentropic Euler equations.

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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