Quadratic--quartic functional equations in RN--spaces
M. Eshaghi Gordji, M. Bavand Savadkouhi, Changeun Park
Abstract
Open-access reader
M. Eshaghi Gordji, M. Bavand Savadkouhi, Changeun Park
Abstract
Open-access reader
In this paper, we obtain the general solution and the stability result for the following functional equation in random normed spaces (in the sense of Sherstnev) under arbitrary $t$-norms $$f(2x+y)+f(2x-y)=4[f(x+y)+f(x-y)]+2[f(2x)-4f(x)]-6f(y).$$
A significance statement is not available in the OpenAlex record.
A contribution statement is not available in the OpenAlex record.
Method details are not available in the OpenAlex metadata.
Findings are not separately available in the OpenAlex metadata.
Limitations are not available in the OpenAlex metadata.
Application details are not available in the OpenAlex metadata.
In this paper, we obtain the general solution and the stability result for the following functional equation in random normed spaces (in the sense of Sherstnev) under arbitrary $t$-norms $$f(2x+y)+f(2x-y)=4[f(x+y)+f(x-y)]+2[f(2x)-4f(x)]-6f(y).$$
Key concepts: Quartic function, Quadratic equation, Mathematics, Stability (learning theory), Sense (electronics), Functional equation, Functional analysis, Pure mathematics