Author/Authors :
Eshaghi Gordji, M Department of Mathematics - Semnan University, Semnan , Naderi Parizi, M Payame Noor University, Rafsanjan , Rassias, Th. M Department of Mathematics - National Technical University of Athens, Greece
Abstract :
In this paper, we prove Hyers{Ulam stability of Tribonacci functional equation
f(x) = f(x - 1) + f(x - 2) + f(x - 3)
in the class of functions f : R → X where X is a real non-archimedean Banach space.