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arXiv 1012.3843math.APmath-phmath.MPmath.NT
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二维环面本征函数节线的几何性质

On the Geometry of the Nodal Lines of Eigenfunctions of the Two-Dimensional Torus

Jean Bourgain, Zeev Rudnick

摘要:

平面内凸曲线的宽度是曲线的一对平行支撑线之间的最小距离。本文研究了标准平坦环面上拉普拉斯算子本征函数的节线宽度。我们证明了各种结果的宽度,一些具有较强的版本假设猜想Cilleruelo和格兰维尔断言一个统一的界限上的一些格子点的圆躺在短弧。

英文摘要:

The width of a convex curve in the plane is the minimal distance between a pair of parallel supporting lines of the curve. In this paper we study the width of nodal lines of eigenfunctions of the Laplacian on the standard flat torus. We prove a variety of results on the width, some having stronger versions assuming a conjecture of Cilleruelo and Granville asserting a uniform bound for the number of lattice points on the circle lying in short arcs.

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