Uniqueness theorems on functional inequalities concerning cubic-quadratic-additive equation
Page 1 Journal of Mathematical Inequalities Volume 12, Number 1 (2018), 43–61 …

Solution and Stability of a Mixed Type Cubic and Quartic Functional Equation in Quasi-Banach
Spaces Page 1 Hindawi Publishing Corporation Abstract and Applied Analysis Volume 2009 …

We prove a very general fixed point theorem in the space of functions taking values in a
random normed space (RN-space). Next, we show several of its consequences and, among …

The Ulam stability concerns the following issue: how much an approximate solution to an
equation differs from an exact solution to the equation. We prove a general Ulam stability …

Using the fixed point method, we establish a generalized Ulam-Hyers stability result for the
monomial functional equation in the setting of complete random p-normed spaces. As a …

We show that, in the classes of functions with values in a real or complex Banach space, the
problem of Hyers-Ulam stability of a linear functional equation of higher order (with constant …

In this paper, we present a uniqueness theorem obtained by using direct calculation. This
theorem is applicable to stability problems of functional equations whose solutions are …

On the quotient stability of a family of functional equations - ScienceDirect Skip to main
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On the Stability of Monomial Functional Equations Page 1 On the Stability of Monomial
Functional Equations By ATTILA GILANYI (Debrecen) Abstract. In the present paper a certain …

Hyperstability of a Monomial Functional Equation Abstract 1 Introduction Page 1 Journal of
Scientific Research Reports 3(20): 2685-2693, 2014, Article no. JSRR.2014.20.006 …