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Exponential type functional equation and its Hyers-Ulam stability |
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| Authors: | Sin-Ei Takahasi Takeshi Miura Hiroyuki Takagi |
| Institution: | a Department of Basic Technology, Applied Mathematics and Physics, Yamagata University, Yonezawa 992-8510, Japan b Department of Mathematical Sciences, Faculty of Science, Shinshu University, Matsumoto 390-8621, Japan |
| Abstract: | We give the solution of the functional equation f(x+y)+λf(x)f(y)=Φ(x,y) under some conditions. Also we show its Hyers-Ulam stability. |
| Keywords: | Functional equation Hyers-Ulam stability |
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