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闭集格的极小集刻画 被引量:3

Minimal sets characterizations of closed-set lattice
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摘要 在闭集格(或分子生成格)中引入了F-覆盖,F-恰当覆盖及F-极小集等概念,得到了与完全分配格类似的一些结论:(1)完备格L成为闭集格的一个充分必要条件是L的每一个元都有F-极小集;(2)闭集格L中的F-极小集都是下集;(3)F-极小映射是保F-并映射. The notions of F-covers, F-right covers and F-minimal sets are introduced in the closed-set lattice (or moleculely generated lattice), and the following conclusions which are similar to the completely distributive lattice are proved that: (1) Complete lattice L becomes closed-set lattice if and only if every elment of L has F-minimalsets ; (2) F-minimal sets of closed-set lattice are all lower set; (3)F-minimal- mapping preserves F-join.
出处 《纺织高校基础科学学报》 CAS 2007年第2期118-121,共4页 Basic Sciences Journal of Textile Universities
基金 西安工程大学校管科研资助项目(2006XG40)
关键词 闭集格 F-覆盖 F-恰当覆盖 F-极小集 closed-set lattice F-covers F-right covers F-minimal sets
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  • 1尚云,赵彬.Z-连通集系统及其范畴特征[J].数学学报(中文版),2004,47(6):1141-1148. 被引量:7
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  • 4阮小军,毕含宇,赵洋.Z-极小集及其对Z-连续偏序集的应用[J].江西师范大学学报(自然科学版),2006,30(4):328-330. 被引量:5
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