A nonfinitely based finite semiring

被引:17
作者
Dolinka, Igor [1 ]
机构
[1] Univ Novi Sad, Dept Math & Informat, Novi Sad 21000, Serbia
关键词
identities; finitely based; nonfinitely based; semirings;
D O I
10.1142/S0218196707004177
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We present a semiring formed by seven binary relations on a two-element set (or, equivalently, by seven Boolean 2 x 2 matrices) that does not have a finite basis for its identities. Some related open problems are also discussed.
引用
收藏
页码:1537 / 1551
页数:15
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