Issue:Concavoconvex intuitionistic fuzzy sets

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Title of paper: Concavoconvex intuitionistic fuzzy sets
Author(s):
Adrian Ban
Department of Mathematics, University of Oradea, Str. Armatei Romane 5, 3700 Oradea, Romania
Presented at: 2nd ICIFS, Sofia, 3—4 Oct. 1998
Published in: Conference proceedings, "Notes on IFS", Volume 4 (1998) Number 2, pages 18—22
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Abstract: We introduce the concept of concavoconvexity for intuition¬istic fuzzy sets and we give some results in connection with this concept.
Keywords: Triangular norm, convex and concave intuitionistic fuzzy set, temporal intuitionistic fuzzy set.
References:
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  2. Atanassov, K.T., More on intuitionistic fuzzy sets, Fuzzy Sets and Systems, 33(1989), 37-45.
  3. Atanassov, K.T., Temporal intuitionistic fuzzy sets, Comptes rendus de l’Academie bulgare des Sciences, Tome 44(1991), No.7, 5-8.
  4. Atanassov, K.T., New operations denned over the intuitionistic fuzzy sets, Fuzzy Sets and Systems, 61(1994), 137-142.
  5. Ban, A.I., Convex intuitionistic fuzzy sets, Notes on Intuitionistic Fuzzy Sets, 3(1997), 66-76.
  6. Ban, A.I., Convex temporal intuitionistic fuzzy sets, Notes on Intuitionistic Fuzzy Sets, 3(1997), 77-81.
  7. Mashinchi, M., On convexity of fuzzy sets, The Journal of Fuzzy Mathematics, Vol.2, No.3 (1994), 655-669.
  8. Sarkar, D., Concavoconvex fuzzy set, Fuzzy Sets and Systems, 79(1996), 267-269.
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