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偏序集中的下收敛与Lawson拓扑 被引量:2

Lower-convergence and Lawson topology on posets
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摘要 在偏序集中引入下极限的概念,利用下极限定义下收敛,讨论下收敛类所生成拓扑的若干性质,利用下收敛(类)刻画连续偏序集的Lawson拓扑以及交连续偏序集的连续性. In this paper, the concept of a lower-limit is introduced for a poser. By this concept, the notion of lower-convergence is given. Some properties of the topology generated by lower-conver- gence are obtained. In terms of the lower-convergence, the Lawson topology of a continuous poset and the continuity of a meet-continuous poset are both characterized.
出处 《扬州大学学报(自然科学版)》 CAS CSCD 北大核心 2012年第1期9-12,共4页 Journal of Yangzhou University:Natural Science Edition
基金 国家自然科学基金资助项目(61074129,61103018,11101352) 江苏省自然科学基金资助项目(BK2010313,BK2011442) 国家重点实验室开放课题(SKLSDE-2011KF-08) 盐城师范学院资助项目(11YCKL001,11YSYJB0202)
关键词 偏序集 下极限 下收敛 LAWSON拓扑 posets lower limits lower-convergence Lawson topology
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参考文献11

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二级参考文献13

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共引文献55

同被引文献6

  • 1KelleyJ.一般拓扑学[M].吴从沂,吴让泉,译.北京:科学出版社,1982:60-65.
  • 2Scott D S. Continuous Lattices. Springer-Verlag, lecture Notes in Mathematics [S], 1972, 274: 97- 136.
  • 3Gierz G, Hofrnann K H, Keimel K, et al. Continuous Lattices and Domains[ M].Cambridge University Press, 2003:133 - 240.
  • 4Lawson J D, XU L S. Posets Having Continuous Intervals [J]. Theor Comput Sci, 21304, 316(1) : 89 - 103.
  • 5Mao X X, XU L S. Meet continuity properties of posets [J]. Theor Comput Sci, 2009, 410(42): 4234- 4240.
  • 6Zhao B, Zhao D S. Lim-inf convergence in partially ordered sets [J]. J Math Anal Appl, 2005, 309(2): 701 - 708.

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