1. Department of Mathematics, Urmia University, Urmia, Iran 2. Department of Mathematics, University of Mohaghegh Ardabili, Ardabil, Iran 3. Department of Mathematics, Semnan University, P. O. Box 35195-363, Semnan, Iran
Abstract:
We establish the generalized Hyers–Ulam stability of the additive–quartic and quadratic–cubic mappings with two variables on abelian groups.