M-generalised q-neutrosophic extension of CoCoSo method


  • Zenonas Turskis Vilnius Gediminas Technical University, Lithuania
  • Romualdas Bausys Vilnius Gediminas Technical University, Lithuania
  • Florentin Smarandache University of New Mexico, USA
  • Giruta Kazakeviciute-Januskeviciene Vilnius Gediminas Technical University, Lithuania
  • Edmundas Kazimieras Zavadskas Vilnius Gediminas Technical University, Lithuania




Multi-criteria decision making, CoCoSo, Neutrosophic sets, retrofit strategy


Nowadays fuzzy approaches gain popularity to model multi-criteria decision making (MCDM) problems emerging in real-life applications. Modern modelling trends in this field include evaluation of the criteria information uncertainty and vagueness. Traditional neutrosophic sets are considered as the effective tool to express uncertainty of the information. However, in some cases, it cannot cover all recently proposed cases of the fuzzy sets. The m-generalized q-neutrosophic sets (mGqNNs) can effectively deal with this situation. The novel MCDM methodology CoCoSomGqNN is presented in this paper. An illustrative example presents the analysis of the effectiveness of different retrofit strategy selection decisions for the application in the civil engineering industry.

Author Biographies

Zenonas Turskis, Vilnius Gediminas Technical University, Lithuania

Institute of Sustainable Construction

Romualdas Bausys, Vilnius Gediminas Technical University, Lithuania

Department of Graphical Systems

Florentin Smarandache, University of New Mexico, USA

Department of Mathematics

Edmundas Kazimieras Zavadskas, Vilnius Gediminas Technical University, Lithuania

Institute of Sustainable Construction


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