半群V(n,r)的幂等元秩

J4 ›› 2012, Vol. 47 ›› Issue (2): 78-81.

赵平

收稿日期:2011-03-03 出版日期:2012-02-20 发布日期:2012-12-24
作者简介:赵平(1973- ), 男, 硕士研究生, 副教授, 研究方向为半群理论及编码理论. Email: zhaoping731108@hotmail.com
基金资助:
贵州省科学技术基金项目(黔科合［2010］3174)

ZHAO Ping

Mathematics Teaching ＆ Research Section, Guiyang Medical College, Guiyang 550004, Guizhou, China

关键词: 变换半群;降序;保序;幂等元秩;秩

Key words: transformation semigroup; decreasing; order-preserving; idempotent rank; rank

赵平. 半群V(n,r)的幂等元秩[J]. J4, 2012, 47(2): 78-81.

ZHAO Ping. On the idempotent ranks of the semigroup V(n,r)[J]. J4, 2012, 47(2): 78-81.

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