Hyers–Ulam stability of functional inequalities: a fixed point approach
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AbstractUsing the fixed point method, we prove the Hyers–Ulam stability of a cubic and quartic functional equation and of an additive and quartic functional equation in matrix Banach algebras.
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2012 ◽
Vol 20
(3)
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pp. 21-32
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2013 ◽
Vol 373-375
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pp. 1881-1884
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