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Modelling uncertainties in multi-criteria decision making using distance measure and topsis for hesitant fuzzy sets

Beg I., Rashid T.

Journal of Artificial Intelligence and Soft Computing Research

2017

Vol. 7, No. 2

103--109

A notion for distance between hesitant fuzzy data is given. Using this new distance notion, we propose the technique for order preference by similarity to ideal solution for hesitant fuzzy sets and a new approach in modelling uncertainties. An illustrative example is constructed to show the feasibility and practicality of the new method.

Fixed point theorems for weakly inward multivalued maps on a convex metric space

Beg I., Abbas M.

Demonstratio Mathematica

2006

Vol. 39, nr 1

149-160

We prove the existence of fixed point for weakly contractive multivalued maps satisfying the inwardness condition in the framework of a convex metric space. Fixed point theorems for multivalued contraction mapping taking the closed values are also obtained. These theorems extend several known results.