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Issue:Interval-valued intuitionistic fuzzy graphs

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Title of paper: Interval-valued intuitionistic fuzzy graphs
Author(s):
Krassimir Atanassov
Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, Sofia-1113, Bulgaria
Intelligent Systems Laboratory, Prof. Asen Zlatarov University, Bourgas-8010, Bulgaria
krat@bas.bg
Published in: Notes on Intuitionistic Fuzzy Sets, Volume 25 (2019), Number 1, pages 21–31
DOI: https://doi.org/10.7546/nifs.2019.25.1.21-31
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Abstract: The definitions of eight different types of interval-valued intuitionistic fuzzy graphs are introduced and their representations by index matrices are discussed. Examples for operations

over these graphs are given.

Keywords: TInterval-valued intuitionistic fuzzy graph, Interval-valued intuitionistic fuzzy set.
AMS Classification: 03E72, 05C10
References:
  1. Atanassov, K. (1983). Intuitionistic fuzzy sets, VII ITKR’s Session, Sofia, June 1983 (Deposed in Central Sci. - Techn. Library of Bulg. Acad. of Sci., 1697/84, in Bulgarian). Reprinted: Int. J. Bioautomation, 2016, 20(S1), S1–S6.
  2. Atanassov, K. (1999). Intuitionistic Fuzzy Sets: Theory and Applications. Springer, Heidelberg.
  3. Atanassov, K. (2014). Index Matrices: Towards an Augmented Matrix Calculus, Springer, Cham.
  4. Kaufmann, A. (1977). Introduction a la Theorie des Sour-ensembles Flous, Paris, Masson.
  5. Shannon, A., & Atanassov, K. (1994). A first step to a theory of the intuitionistic fuzzy graphs, Proc. of the First Workshop on Fuzzy Based Expert Systems (D. Lakov, Ed.), Sofia, Sept. 28–30, 1994, 59–61.
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