Abstract
In this paper, we prove the Hyers–Ulam stability of an additive–quadratic–cubic–quartic functional equation in matrix normed spaces.
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Lee, J.R., Park, C. & Shin, D.Y. An AQCQ-Functional Equation in Matrix Normed Spaces. Results. Math. 64, 305–318 (2013). https://doi.org/10.1007/s00025-013-0315-9
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DOI: https://doi.org/10.1007/s00025-013-0315-9