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arXiv 2006.15328math.AP
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无穷调和势的梯度流

The Gradient Flow of Infinity-Harmonic Potentials

Erik Lindgren, Peter Lindqvist

摘要:

研究了平面凸环中$\infty$ -调和函数的流线。我们包括凸多边形。流线相交的点是有特征的:它们位于一定的曲线上。梯度具有恒定的范数沿流线以外的集合的交汇点,无限脊。

英文摘要:

We study the streamlines of $\infty$-harmonic functions in planar convex rings. We include convex polygons. The points where streamlines can meet are characterized: they lie on certain curves. The gradient has constant norm along streamlines outside the set of meeting points, the infinity-ridge.

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