文章基本信息

标题：Powers of a product of commutators as products of squares
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作者：Alireza Abdollahi
期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2004
卷号：2004
DOI：10.1155/S0161171204304047
出版社：Hindawi Publishing Corporation
摘要：We prove that for any odd integer N and any integer n>0, the Nth power of a product of n commutators in a nonabelian free group of countable infinite rank can be expressed as a product of squares of 2n