Energy costs are the key factors regarding selection of appropriate renewable energy (RWG) alternatives. All a power plant, such as investment, operation, maintenance, and repair considered in scope levelized costs. Therefore, for effective determination selling price energy, cost has guiding role. Because RWG alternatives develop sustainable production consumption long term, leading indicators...

Selecting the most suitable alternative under uncertainty is considered as a critical decision-making problem that affects the success of organizations. In the selection process, there are a number of assessment criteria, considered by a group of decision makers, which often could be established in a multi-level hierarchy structure. The aim of this paper is to introduce a new hierarchical multi...

small polygroups are multi-valued systems that satisfy group-likeaxioms. using the notion of “belonging ($epsilon$)” and “quasi-coincidence (q)” offuzzy points with fuzzy sets, the concept of ($epsilon$, $epsilon$ $vee$ q)-fuzzy subpolygroups isintroduced. the study of ($epsilon$, $epsilon$ $vee$ q)-fuzzy normal subpolygroups of a polygroupare dealt with. characterization and some of the fundam...

In the process of decision-making, uncertain information is always challenging to deal with. T-spherical fuzzy set (TSFS) operates vagueness data by analysing three independent functions, namely membership, non-membership, and abstinence function. The TSFS provides us robust scheme with parameter $$q\ge 1$$ handle countless opportunities. Hence, this proves its superiority over existing picture...

In this paper, we investigate the multiple attribute decision making (MADM) problem based on the arithmetic and geometric aggregation operators with hesitant fuzzy linguistic information. Then, motivated by the idea of traditional arithmetic operation, we have developed some aggregation operators for aggregating hesitant fuzzy linguistic information: hesitant fuzzy linguistic weighted average (...

The cubic q -rung orthopair fuzzy set (Cq-ROFS) is a basic simplification of several notions, including (FS), interval valued FS (INVFS), intuitionistic (INTFS), id="M3"> (q-ROFS), and INV id="M4"> (INVq-ROFS). By the degrees INVq-ROFS q-ROFS, Cq-ROFS exposes judgement, this one advanced mathematical tools to handle more...