Geodesic
A method for solving interval type-2 triangular fuzzy bilevel linear programming problem
Yugoslav journal of operations research, Tome 33 (2023) no. 1, p. 71 .

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In this paper, we consider the bilevel linear programming problem (BLPP) where all the coefficients in the problem are interval type-2 triangular fuzzy numbers (IT2TFNs). First, we convert a BLPP with IT2TFN parameters to an interval BLPP. In the next step, we solve BLPPs and obtain optimal solution as an IT2TFN.
Classification : 90C26, 90C70
Keywords: Type-2 fuzzy sets, interval type-2 triangular fuzzy number, bilevel linear programming problem 
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Niloofar Davoudi; Farhad Hamidi; Hasan Mishmast Nehi. A method for solving interval type-2 triangular fuzzy bilevel linear programming problem. Yugoslav journal of operations research, Tome 33 (2023) no. 1, p. 71 . http://geodesic.mathdoc.fr/item/YJOR_2023_33_1_a4/