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:1999
卷号:22
期号:1
页码:67-74
DOI:10.1155/S0161171299220674
出版社:Hindawi Publishing Corporation
摘要:
Let R be a ring, Z its center, and D the set of zero divisors. For finite noncommutative rings, it is known that D \ Z ≠ ∅ . We investigate the size of | D \ Z | in this case and, also, in the case of infinite noncommutative rings with D \ Z ≠ ∅ .