爆米花函数图像的维数
Dimensions of the popcorn graph
AI总结:
本文证明了爆米花函数图像的盒维数为4/3,并计算了Assouad维数和谱,主要使用Duffin-Schaeffer估计和Chung-Erdős不等式。
摘要:
爆米花函数是实分析中一个著名且重要的例子,具有许多有趣的特征。我们证明了爆米花函数图像的盒维数为4/3,并计算了其Assouad维数和Assouad谱。主要工具包括来自丢番图逼近的Duffin-Schaeffer型估计以及来自概率论的Chung-Erdős不等式。
英文摘要:
The 'popcorn function' isThe `popcorn function' is a well-known and important example in real analysis with many interesting features. We prove that the box dimension of the graph of the popcorn function is 4/3, as well as computing the Assouad dimension and Assouad spectrum. The main ingredients include Duffin-Schaeffer type estimates from Diophantine approximation and the Chung-Erdős inequality from probability theory.
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