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Generalized stabilities of two functional equations |
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| Authors: | Yunbai Dong |
| Institution: | 1. School of Mathematics and Computer, Wuhan Textile University, Wuhan, 430073, China |
| Abstract: | In this paper, we prove generalized stabilities of the functional equations ${\|f(x+y)\|=\|f(x)+f(y)\|}$ and ${\|f(x-y)\|=\|f(x)-f(y)\|}$ . |
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