issue 2 publication date 2010-06-29

• Cover Vol. 7, No.2, June 2010
• Exact and approximate solutions of fuzzy LR linear systems: New algorithms using a least squares model and the ABS approach
• Fuzzy linear regression model with crisp coefficients: A goal programming approach
• FUZZY CONVEX SUBALGEBRAS OF COMMUTATIVE RESIDUATED LATTICES
• Ordered semigroups characterized by their intuitionistic fuzzy bi-ideals
• M-FUZZIFYING DERIVED OPERATORS AND DIFFERENCE DERIVED OPERATORS
• LOCAL BASES WITH STRATIFIED STRUCTURE IN $I$-TOPOLOGICAL VECTOR SPACES
• About the fuzzy grade of the direct product of two hypergroupoids
• A new perspective to the Mazur-Ulam problem in $2$-fuzzy $2$-normed linear spaces
• Regular ordered semigroups and intra-regular ordered semigroups in terms of fuzzy subsets
• Actions, Norms, Subactions and Kernels of (Fuzzy) Norms
• Fuzzy Subgroups of Rank Two Abelian p-Group
• Persian-translation Vol. 7, No.2, June 2010