Limit structures over completely distributive lattices

  • Authors:
  • Yong-Ming Li

  • Affiliations:
  • Department of Mathematics, Shaanxi Normal University, Xi'an 710062, People's Republic of China

  • Venue:
  • Fuzzy Sets and Systems - Possibility theory and fuzzy logic
  • Year:
  • 2002

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Abstract

The notion of a limit molecular lattice--a completely distributive lattice with some kinds of convergence of ideals on it--is introduced. It is proved that the category of limit molecular lattices is a cartesian closed category containing the category of topological molecular lattices as a bireflective full subcategory and the category of limit spaces as a reflective and coreflective subcategory, respectively. Noteworthy is the distinctive order property of the convergence of ideals on the limit molecular lattice compared to that of limit spaces. The L-fuzzy version of fuzzy limit space is introduced, and it is proved that the category of L-fuzzy limit spaces is a nonfull coreflective subcategory of the category of limit molecular lattices.