Mathematics, Vol. 9, Pages 2575: Hyers-Ulam Stability of Quadratic Functional Equation Based on Fixed Point Technique in Banach Spaces and Non-Archimedean Banach Spaces
Mathematics doi: 10.3390/math9202575
Abdulaziz M. Alanazi
Maryam Gharamah Alshehri
In this paper, the authors investigate the Hyers–Ulam stability results of the quadratic functional equation in Banach spaces and non-Archimedean Banach spaces by utilizing two different techniques in terms of direct and fixed point techniques.
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