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Paper Title:
The Functional Equation With an Exponential Polynomial Solution and its Stability
Author(s):
Young Whan Lee1, Gwang Hui Kim2*, and Jeong Il Kim3
1Department of Computer
Hacking and Information Security,
College of Engineering, Daejeon University,
Daejeon, 34520,
Korea(Republic of).
E-mail: ywlee@dju.ac.kr
2Department of Mathematics,
Kangnam University,
Yongin, Gyeonggi, 16979,
Korea(Republic of).
E-mail: ighkim@kangnam.ac.kr
3Department of Statistics,
Daejeon University,
Daejeon 34520,
Korea(Republic of).
E-mail: jlkim@dju.ac.kr
Abstract:
In this paper, we prove that the unique continuous solution of the functional equation
is
where pn(x) is a polynomial with degree n and
We also obtain the superstability and stability of the functional equation with the following forms, respectively:
and
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