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The Kakeya Problem
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作者 Rongchuan Tao Yingzi Yang +2 位作者 Xiaoxiao Zou Zifan Dong Siran Chen 《Advances in Pure Mathematics》 2019年第2期78-110,共33页
This research paper concentrates on the Kakeya problem. After the introduction of historical issue, we provide a thorough presentation of the results of Kakeya problem with some examples of the early solutions as well... This research paper concentrates on the Kakeya problem. After the introduction of historical issue, we provide a thorough presentation of the results of Kakeya problem with some examples of the early solutions as well as the proof of the final outcome of this problem, the solution of which is known as Besicovitch Set. We give 3 different construction of Besicovitch set as well as the intuition of construction, which is related to iterated integral of 2-variable real function. We also give the Cunningham construction in which the area of a simply connected Kakeya set can also tend to 0. Furthermore, we generalize the process of generating a Kakeya set into a Kakeya dynamic. The definition of multiplicity enables us to estimate the area of a Kakeya set. In following discussion we provided a conjecture related to the solution in particular range. Finally, the derivation of the Kakeya problem is presented. 展开更多
关键词 kakeya NEEDLE problem Besicovitch SET
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R^3上一类特殊Besicovitch集的维数估计
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作者 陈泽斌 《数学杂志》 2020年第4期493-497,共5页
本文研究了R^3上一类圆盘型Besicovitch集的Hausdorff维数问题.将Kakeya问题二维情形的其中一种证明方法推广到R^3空间,获得了该类圆盘型Besicovitch集的Hausdorff维数为3.
关键词 Besicovitch集 kakeya问题 HAUSDORFF维数
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