期刊名称：AKCE International Journal of Graphs and Combinatorics
印刷版ISSN：0972-8600
出版年度：2019
卷号：16
期号：1
页码：1-7
DOI：10.1016/j.akcej.2018.01.010
语种：English
出版社：Elsevier
摘要：AbstractWe consider the ringZn(integers modulon) with the partial order ‘≤’ given by ‘a≤bif eithera=bora≡ab(modn)’. In this paper, we obtain necessary and sufficient conditions for the poset (Zn,≤) to be a lattice.
关键词：KeywordsGeneralized projectionsRegular elementsNilpotent elements
