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Computing multifractal spectra via simplicial measures.

机译:通过简单度量计算多重分形谱。

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摘要

Complex dynamical systems occur on many scales in the natural world, and serve as rich subjects of study. Examples include ecosystems, physiological systems, and financial markets. Simplified versions of these system can be described by dynamical systems. As such, understanding the qualitative behavior of dynamical systems provides an important window into real-world phenomena.;In this manuscript we focus on the qualitative behavior described by the measure concentrated on the attractor of a dynamical system. A common way to study such complicated measures is through their multifractal spectra. We will describe a new method, developed to approximate the Sinai-Bowen-Ruelle measure on an attractor, that is based on the Vietoris-Rips complex. We use it to approximate various measures concentrated on a number of example sets, and demonstrate its efficacy by computing the corresponding multifractal spectra.
机译:复杂的动力学系统在自然界中以多种尺度出现,并作为丰富的研究主题。例子包括生态系统,生理系统和金融市场。这些系统的简化版本可以通过动态系统来描述。因此,了解动力学系统的定性行为为了解真实世界的现象提供了重要的窗口。在本手稿中,我们着重于集中于动力学系统吸引子的量度所描述的定性行为。研究此类复杂度量的一种常用方法是通过其多重分形光谱。我们将描述一种新方法,该方法是基于Vietoris-Rips复合体开发的,用于近似吸引子上的Sinai-Bowen-Ruelle测度。我们使用它来近似集中在多个示例集上的各种度量,并通过计算相应的多重分形光谱来证明其功效。

著录项

  • 作者

    Berwald, Jesse James.;

  • 作者单位

    Montana State University.;

  • 授予单位 Montana State University.;
  • 学科 Applied Mathematics.;Mathematics.
  • 学位 Ph.D.
  • 年度 2011
  • 页码 130 p.
  • 总页数 130
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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