TThe Journal of Analysis3/27/2026Ulam stability of quadratic n-dimensional functional equations in non-Archimedean quasi-$$\beta $$-normed spacesP. Elumalai·Arumugam Ponmana Selvan·Sampath Sangeetha·Siriluk Donganont·C. ParkRead at The Journal of AnalysisTagsFunctional Equations Stability ResultsApplied Mathematics