Volume & Issue: Volume 17, Issue 3, May and June 2020, Pages 1-198 
3. New optimality conditions for multiobjective fuzzy programming problems

Pages 19-31

R. Osuna-Gomez; B. Hernandez-Jimenez; Y. Chalco-Cano; G. Ruiz-Garzon


4. Extended and infinite ordered weighted averaging and sum operators with numerical examples

Pages 33-41

X. Pu; Z. Wang; R. Mesiar; R. R. Yager; J. Qin; X. Feng; L. Jin


7. Trend analysis in L-fuzzy contexts with absent values

Pages 69-84

C. Alcalde; A. Burusco; H. Bustince; M. Sesma-Sara


13. The role of states in triangle algebras

Pages 163-176

S. Zahiri; A. Borumand Saeid


14. Complex fuzzy Hv-subgroups of an Hv-group

Pages 177-186

M. Al-Tahan; B. Davvaz