issue 2 publication date 2019-03-01

• Cover Vol 16, No. 2, April 2019
• Fuzzy type theory with partial functions
• Stabilization of chaotic systems via fuzzy time-delayed controller approac
• Incidence cuts and connectivity in fuzzy incidence graphs
• Comparing uncertainty data in epistemic and ontic sense used to decision making problem
• The fuzzy generalized Taylor’s expansion with application in fractional differential equations
• A symbol-based fuzzy decision-making approach to evaluate the user satisfaction on services in academic digital libraries
• Stratified (L; M)-semiuniform convergence tower spaces
• Relationships between completeness of fuzzy quasi-uniform spaces
• System of fuzzy fractional differential equations in generalized metric space
• Ranking triangular interval-valued fuzzy numbers based on the relative preference relation
• On characterizations of the fully rational fuzzy choice functions
• Exponential membership function and duality gaps for I-fuzzy linear programming problems
• A hybrid filter-based feature selection method via hesitant fuzzy and rough sets concepts
• First order linear fuzzy dynamic equations on time scales
• The Sugeno fuzzy integral of concave functions
• Persian-translation IJFS-vol 16-no 2-April 2019