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arXiv 2008.07502math.APmath.FA
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相互作用能的锐稳定性

Sharp stability for the interaction energy

Xukai Yan, Yao Yao

摘要:

本文研究了具有严格径向递减相互作用势(如库仑势和里斯位势)的相互作用能的稳定性估计。对于一般的密度函数,我们首先证明了密度的$L^1$不对称性的稳定性估计,推广了Burchard-Chambers,Frank-Lieb和Fusco-Pratelli关于特征函数的一些结果.我们还得到了一个稳定性估计的2-Wasserstein距离之间的密度和径向递减重排。最后,我们考虑了牛顿位势的特殊情况,解决了郭文贵关于库仑能稳定性的一个猜想。

英文摘要:

This paper is devoted to stability estimates for the interaction energy with strictly radially decreasing interaction potentials, such as the Coulomb and Riesz potentials. For a general density function, we first prove a stability estimate in terms of the $L^1$ asymmetry of the density, extending some previous results by Burchard-Chambers, Frank-Lieb and Fusco-Pratelli for characteristic functions. We also obtain a stability estimate in terms of the 2-Wasserstein distance between the density and its radial decreasing rearrangement. Finally, we consider the special case of Newtonian potential, and address a conjecture by Guo on the stability for the Coulomb energy.

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