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The upper densities of symmetric perfect sets
Authors:Cheng-Qin Qu  Zuo-Ling Zhou
Institution:a Department of Mathematics, Zhongshan University, Guangzhou, 510275, People's Republic of China
b Lingnan College, Zhongshan University, Guangzhou, 510275, People's Republic of China
Abstract:In this paper, we give the exact upper densities of Hausdorff measures of a class of symmetric perfect sets.
Keywords:Upper density  Hausdorff measure  Symmetric perfect set
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