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亚并理想及其某些性质
引用本文:肖建明.亚并理想及其某些性质[J].哈尔滨师范大学自然科学学报,1999,15(4):9-11.
作者姓名:肖建明
作者单位:哈尔滨师范大学
摘    要:本文给出了理想的并未必为理想的例证,并引进了亚并理想的概念,且给出了格中亚并理想的任意交,任意并的封闭性。

关 键 词:理想  亚并理想        封闭性

METAJOIN-IDEAL AND ITS SOME PROPERTIES
Xiao Jianming.METAJOIN-IDEAL AND ITS SOME PROPERTIES[J].Natural Science Journal of Harbin Normal University,1999,15(4):9-11.
Authors:Xiao Jianming
Institution:Harbin Normal University
Abstract:In this paper,we have examplied that the union of ideals of a lattice needs not be a ideal of a lattice.In a lattice the definition of metajoin-ideal has been introduced,and the family of all metajoin-ideals is closed under arbitrary intersection as well as arbitrary union.
Keywords:Ideal  Metajoin-ideal  
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