Lee J.R.Park C.Alaca C.Shin D.Y.2025-04-102025-04-102012http://hdl.handle.net/20.500.14701/50622Using the fixed point method, we prove the Hyers-Ulam stability of the orthogonally additive-quadratic functional equation, for all x, y with x ⊥ y, in non-Archimedean Banach spaces. Here ⊥ is the orthogonality in the sense of Rätz. © 2012 EUDOXUS PRESS, LLC.Article