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Issue:Four intuitionistic fuzzy categories represented by functor categories

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Title of paper: Four intuitionistic fuzzy categories represented by functor categories
Author(s):
Zhang Cheng
Department of Mathematics, Dalian University, Dalian 116622, P.R.China
Yuan Xue-hai
Deparment of Mathematics, Liaoning Normal University, Dalian 116029, P.R. China
Published in: "Notes on Intuitionistic Fuzzy Sets", Volume 5 (1999) Number 1, pages 9—13
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Abstract: By the use of the category IFuz of the IFSs, four intuitionistic fuzzy categories such as IFuz2, IFuz, M-IFuz and IFBn(I) are obtained and they can be represented as functor categories from small categories to category IFuz of IFSs respectively.
Keywords: IFSs, categories, functors, natural transformations.
References:
  1. K. Atanassov. Intuitionistic fuzzy sets. Fuzzy Sets and Systems, 20 (1996) 87-96.
  2. R. Goldblatt. Topoi: the categorical analysis of logic, North-Holland Amsterdam, 1979.
  3. Maclane S. Categories for the working mathematician, Springer-Verlag, 1971.
  4. X. H. Yuan and E. S. Lee. Categorical analysis of logic operators on fuzzy sets. J. Math. Anal. Appl. 177 (1993) 600-607.
  5. X. H. Yuan. Category IFuz and WTOPOS. Notes on IFS, Vol. 2, No. 3 (1996) 15-19.
  6. X. H. Yuan. The power object of category IFuz. Notes on IFS, Vol. 3, No. 3 (1997) 92-96.
  7. X. H. Yuan. Comparisons between category Fuz and category Set. The Journal of Fuzzy Mathematics, Vol. 5, No. 4 (1997) 907-914.
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