Coverings of groups and types

被引：5

作者：

Newelski, L ^{[1
]}

Petrykowsk, M ^{[1
]}

机构：

[1] Univ Wroclaw, Inst Math, PL-50384 Wroclaw, Poland

来源：

JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES | 2005年 / 71卷

关键词：

D O I：

10.1112/S0024610704005976

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Assume that G is a group covered by countably many sets X-n, n < omega. It is proved that G is generated in two or three steps by a small number of the sets X-n. These results are generalized for countable coverings of types and countable colourings of graphs.

引用

页码：1 / 21

页数：21