Formation of securities portfolio under conditions of uncertainty

Defuzzification of Healthcare Related Problem by Using (𝝀, 𝝆) Intervalued Trapezoidal Fuzzy Numbers and Their Functional

A New Ranking in Hexagonal Fuzzy number by Centroid of Centroids and Application in Fuzzy Critical Path

Multi-objective Model for Daily Diet Planning

Application of fuzzy relation equations to assessment of analogical problem solving skills

Modelling the state of social-economic environment under the conditions of uncertainty

Fuzzy modelling in risk assessment of oil and gas production enterprises’ activity

The method of converting an expert opinion to Z-number

A fuzzy reliability model for “safety system-protected object” complex

Mathematical modelling of a transport system with minimal maintenance costs