ON SPARSE SETS AND DENSITY POINTS DEFINED BY FAMILIES OF SEQUENCES

被引：0

作者：

Filipczak, Tomasz ^{[1
]}

机构：

[1] Tech Univ Lodz, Inst Math, Ul Wolczanska 215, PL-93005 Lodz, Poland

来源：

BULLETIN OF THE INSTITUTE OF MATHEMATICS ACADEMIA SINICA NEW SERIES | 2008年 / 3卷 / 02期

关键词：

Sparse sets; density points;

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In the paper a condition equivalent to sparseness of a set is formulated. This condition is a base for a definition of a density point with respect to a family of sequences (C-density). It is shown that C-density is a generalization of a density with respect to one sequence (< a >-density).

引用

页码：339 / 346

页数：8

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