New submissions to International Journal "Notes on Intuitionistic Fuzzy Sets" are temporarily suspended from 1 June until 1 September 2026.
Read here the full announcement.

Open Call for Papers: 29th International Conference on Intuitionistic Fuzzy Sets • 6–7 November 2026 • Sofia, Bulgaria / Online
EXTENDED deadline for submissions: 15 June 2026.

Issue:Concavoconvex intuitionistic fuzzy sets

From Ifigenia, the wiki for intuitionistic fuzzy sets and generalized nets
Jump to navigation Jump to search
shortcut
http://ifigenia.org/wiki/issue:nifs/4/2/18-22
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: "Notes on Intuitionistic Fuzzy Sets", Volume 4 (1998) Number 2, pages 18—22
Download:  PDF (1477  Kb, File info)
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:
  1. Atanassov, K.T., Intuitionistic fuzzy sets, Fuzzy Sets and Systems, 20(1986), 87-96.
  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.
Citations:

The list of publications, citing this article may be empty or incomplete. If you can provide relevant data, please, write on the talk page.