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arXiv 1609.05784math.CAmath.DS
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Cantor集的仿射嵌入与$αβ$ -集的维数

Affine embeddings of Cantor sets and dimension of $αβ$-sets

De-Jun Feng, Ying Xiong

摘要:

设$E, F\subset {\Bbb R}^d$是两个自相似集,并假设$F$可以相似地嵌入到$E$中.在假设$E$是尘埃状的并且具有小的豪斯多夫维数的情况下,我们证明了$E$和$F$的收缩比之间的对数相关性.这对\cite{FHR14}中的猜想1.2给出了部分肯定的回答。证明基于我们对单位圆上一类多旋转不变集的计盒维数的研究,包括Engelking和Katznelson最初研究的$αβ$ -集.

英文摘要:

Let $E, F\subset {\Bbb R}^d$ be two self-similar sets, and suppose that $F$ can be affinely embedded into $E$. Under the assumption that $E$ is dust-like and has a small Hausdorff dimension, we prove the logarithmic commensurability between the contraction ratios of $E$ and $F$. This gives a partial affirmative answer to Conjecture 1.2 in \cite{FHR14}. The proof is based on our study of the box-counting dimension of a class of multi-rotation invariant sets on the unit circle, including the $αβ$-sets initially studied by Engelking and Katznelson.

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