分形投影
Projections of fractal percolations
摘要：
本文研究了随机Cantor集$E\subset \mathbb{R}^2 $的径向投影、正交投影和距离集，称之为Mandelbrot逾渗或逾渗分形。证明了如下命题几乎必然成立：若$E$的豪斯多夫维数大于1，则到\textbf{every}直线的正交投影、以\textbf{every}为中心的径向投影以及到\textbf{every}点的距离集都包含区间.
英文摘要：
In this paper we study the radial and orthogonal projections and the distance sets of the random Cantor sets $E\subset \mathbb{R}^2 $ which are called Mandelbrot percolation or percolation fractals. We prove that the following assertion holds almost surely: if the Hausdorff dimension of $E$ is greater than 1 then the orthogonal projection to \textbf{every} line, the radial projection with \textbf{every} center, and distance set from \textbf{every} point contain intervals.
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