Persistence intervals of fractals

Persistence intervals of fractals
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分形的持续区间

DOI:
10.1016/j.physa.2014.03.037
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发表时间:
2014
影响因子:
3.3
通讯作者:
D. W. Heermann
D. W. Heermann
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
D. W. Heermann

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在我们周围的世界中,呈现分形行为的物体和结构比比皆是。分形理论为分析这些物体的标度特性提供了大量的工具。我们希望通过分析和应用P. H.维数是MacPherson和Schweinhart提出的一个概念,目的是寻求对维数与某些物体的分形性之间关系的直观解释。该方法是基于最近制定的计算拓扑方法,它被证明是非常有用的调查缩放隐藏在低于“本地”的维度中的调查对象被嵌入的尺寸。我们证明了该方法的适用性与两个例子:谢尔宾斯基垫片,传统的分形和一个二维物体组成的短段安排根据一个圆形结构。
Objects and structures presenting fractal like behavior are abundant in the world surrounding us. Fractal theory provides a great deal of tools for the analysis of the scaling properties of these objects. We would like to contribute to the field by analyzing and applying a particular case of the theory behind theP.H. dimension, a concept introduced by MacPherson and Schweinhart, to seek an intuitive explanation for the relation of this dimension and the fractality of certain objects. The approach is based on recently elaborated computational topology methods and it proves to be very useful for investigating scaling hidden in dimensions lower than the “native” dimension in which the investigated object is embedded. We demonstrate the applicability of the method with two examples: the Sierpinski gasket–a traditional fractal–and a two dimensional object composed of short segments arranged according to a circular structure.
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发表时间: 2007-09-07
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