Volume 5 (2023)
Volume 4 (2022)
Volume 3 (2021)
Volume 2 (2020)
Volume 1 (2019)
Author = John Michael Rassias
Number of Articles: 3
Generalized Ulam-Hyers stability of an alternate additive-quadratic-quartic functional equation in fuzzy Banach spaces
Volume 3, Issue 1 , February 2021, , Pages 13-31
Abstract
In this paper, we obtain and establish the generalized Ulam-Hyers stability of an additive-quadratic-quartic functional equation in fuzzy Banach spaces. Read MoreStability of quartic functional equation in paranormed spaces
Volume 3, Issue 1 , February 2021, , Pages 48-58
Abstract
In this paper, we prove the Ulam-Hyers stability of the following quartic functional equation in paranormed spaces using both direct and fixed point methods. Read MoreNon-stabilities of mixed type Euler-Lagrange k-cubic-quartic functional equation in various normed spaces
Volume 1, Issue 1 , February 2019, , Pages 1-43