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Critical loci of convex domains in the plane
Indagationes Mathematicae ( IF 0.6 ) Pub Date : 2021-03-22 , DOI: 10.1016/j.indag.2021.03.003 Dmitry Kleinbock , Anurag Rao , Srinivasan Sathiamurthy
中文翻译:
平面中凸域的临界位点
更新日期:2021-04-20
Indagationes Mathematicae ( IF 0.6 ) Pub Date : 2021-03-22 , DOI: 10.1016/j.indag.2021.03.003 Dmitry Kleinbock , Anurag Rao , Srinivasan Sathiamurthy
Let be a bounded convex domain in symmetric about the origin. The critical locus of is defined to be the (non-empty compact) set of lattices in of smallest possible covolume such that . These are classical objects in geometry of numbers; yet all previously known examples of critical loci were either finite sets or finite unions of closed curves. In this paper we give a new construction which, in particular, furnishes examples of domains having critical locus of arbitrary Hausdorff dimension between 0 and 1.
中文翻译:
平面中凸域的临界位点
让 是...的有界凸域 关于原点对称的。该关键位点的 被定义为(非空紧凑型)晶格集合 在 最小可能的体积 。这些是数字几何中的经典对象。但是,所有以前已知的临界位点示例都是闭合曲线的有限集或有限并集。在本文中,我们给出了一种新的结构,特别是提供了具有Hausdorff维数在0和1之间的任意临界位点的域的示例。