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arXiv 1206.0225math.AP
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利用消失矩改进的几何不等式及其在奇异Liouville方程中的应用

An improved geometric inequality via vanishing moments, with applications to singular Liouville equations

Daniele Bartolucci, Andrea Malchiodi

摘要:

我们考虑一类紧致曲面上的奇异Liouville方程,其研究的动机是电弱和自对偶Chern-Simons理论,具有圆锥奇异性的高斯曲率公式和Onsager对湍流的描述.我们分析的存在变分的问题,并显示如何的角分布的共形体积附近的奇点可能会导致改进的Moser-Trudinger不等式,并反过来下界的欧拉-拉格朗日功能。然后,我们讨论存在性和不存在的结果。

英文摘要:

We consider a class of singular Liouville equations on compact surfaces motivated by the study of Electroweak and Self-Dual Chern-Simons theories, the Gaussian curvature prescription with conical singularities and Onsager's description of turbulence. We analyse the problem of existence variationally, and show how the angular distribution of the conformal volume near the singularities may lead to improvements in the Moser-Trudinger inequality, and in turn to lower bounds on the Euler-Lagrange functional. We then discuss existence and non-existence results.

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