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Comment on “A fuzzy soft set theoretic approach to decision making problems”. (English) Zbl 1159.90421

Summary: The algorithm for identification of an object in a previous paper of A.R. Roy and P.K. Maji [J. Comput. Appl. Math. 203, No. 2, 412–418 (2007; Zbl 1128.90536)] is incorrect. Using the algorithm the right choice cannot be obtained in general. The problem is illustrated by a counter-example.

MSC:

90B50 Management decision making, including multiple objectives
90C70 Fuzzy and other nonstochastic uncertainty mathematical programming
03E72 Theory of fuzzy sets, etc.

Citations:

Zbl 1128.90536
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References:

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[5] Aktas, H.; Cagman, N., Soft sets and soft groups, Inform. Sci., 177, 2726-2735 (2007) · Zbl 1119.03050
[6] Maji, P. K.; Roy, A. R.; Biswas, R., An application of soft sets in a decision making problem, Comput. Math. Appl., 44, 1077-1083 (2002) · Zbl 1044.90042
[7] Maji, P. K.; Bismas, R.; Roy, A. R., Soft set theory, Comput. Math. Appl., 45, 555-562 (2003) · Zbl 1032.03525
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[9] Maji, P. K.; Biswas, R.; Roy, A. R., Fuzzy soft sets, J. Fuzzy Math., 9, 3, 589-602 (2001) · Zbl 0995.03040
[10] Roy, A. R.; Maji, P. K., A fuzzy soft set theoretic approach to decision making problems, J. Comput. Appl. Math., 203, 412-418 (2007) · Zbl 1128.90536
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