Approximation of derivation–homomorphism fuzzy functional inequalities in matrix valued FC-⋄-algebras

We introduce and solve two different additive-additive (α, β)−fuzzy functional inequalities. In addition, we investigate derivations and homomorphisms on matrix valued FB-algebras and unital matrix valued FC-⋄-algebras, associated to the additive-additive (α, β)−fuzzy functional inequalities. Finally, as an application, we introduce new fuzzy control functions.