This paper considers the Jensen type cubic fuzzy set-valued functional equation and the n-
dimensional cubic fuzzy set-valued functional equation. We establish the Hyers–Ulam …

In this article, we focus on the set-valued dynamics related to the theory of functional
equations. We study the n-dimensional cubic set-valued functional equation f (∑ j= 1 n− 1 x …

In this paper, we investigate the general solution of a new quadratic functional equation of
the form∑ 1≤ i< j< k≤ r ϕ li+ lj+ lk= r− 2∑ i= 1, i≠ jr ϕ li+ lj+− r 2+ 32 r−/2∑ i= 1 r ϕ li. We …

On the Stability of Additive, Quadratic, Cubic and Quartic Set-valued Functional Equations
Page 1 Results. Math. 68 (2015), 1–10 c© 2014 Springer Basel 1422-6383/15/010001-10 …

This article investigates some convergence properties of quasi-cyclic and cyclic Jungck
modified TS-iterative schemes in complete metric spaces and Banach spaces. The …

In this paper, we prove the Hyers–Ulam–Rassias stability of the generalized Cauchy–
Jensen set-valued functional equation defined by α f\left (x+ y α+ z\right)= f (x) ⊕ f (y) ⊕ α f …

We introduce some fuzzy set-valued functional equations, ie the generalized Cauchy type
(in n variables), the Quadratic type, the Quadratic-Jensen type, the Cubic type and the Cubic …

In this paper, we investigate the general solution of a new quadratic functional equation. We
prove that a function admits, in appropriate conditions, a unique quadratic mapping …

On the Ulam stability of a quadratic set-valued functional equation Page 1 On the Ulam stability
of a quadratic set-valued functional equation Faxing Wang ∗,a,1, Yonghong Shenb aTongda …

Let Y be a real separable Banach space and let (𝒦C (Y), d∞) be the subspace of all normal
fuzzy convex and upper semicontinuous fuzzy sets of Y equipped with the supremum metric …