A note on approximation efficiency and partial quotients of Engel continued fractions

被引:4
|
作者
Hu, Hui [1 ]
Yu, Yueli [2 ]
Zhao, Yanfen [2 ]
机构
[1] Nanchang Hongkong Univ, Sch Math & Informat Sci, Nanchang 330063, Jiangxi, Peoples R China
[2] Wuhan Univ, Sch Math & Stat, Wuhan 430072, Hubei, Peoples R China
关键词
Engel continued fraction; best approximation; partial quotient; Hausdorff dimension; DIMENSION; EXPANSION; NUMBERS; SETS;
D O I
10.1142/S1793042117501329
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
consider the efficiency of approximating real numbers by their convergents of Engel continued fractions (ECF). Specifically, we estimate the Hausdorff dimension of the set of points whose ECF-convergents are the best approximations infinitely often. We also obtain the Hausdorff dimensions of the Jarnik-like set and the related sets defined by some growth rates of partial quotients in ECF expansions.
引用
收藏
页码:2433 / 2443
页数:11
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