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A FIXED POINT APPROACH TO THE STABILITY OF A QUADRATIC-CUBIC FUNCTIONAL EQUATION

  • Lee, Yang-Hi (Department of Mathematics Education Gongju National University of Education)
  • 투고 : 2018.11.05
  • 심사 : 2019.05.28
  • 발행 : 2019.06.30

초록

In this paper, we investigate the stability of the functional equation $$f(x+ky)-kf(x+y)+kf(x-y)-f(x-ky)-f(ky)+{\frac{k^3+k^2-2k}{2}}f(-y)-{\frac{k^3-k^2-2k}{2}}f(y)=0$$ by using the fixed point theory in the sense of L. $C{\breve{a}}dariu$ and V. Radu.

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참고문헌

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피인용 문헌

  1. A FIXED POINT APPROACH TO THE STABILITY OF AN ADDITIVE-QUADRATIC-QUARTIC FUNCTIONAL EQUATION vol.33, pp.1, 2019, https://doi.org/10.14403/jcms.2020.33.1.77
  2. A FIXED POINT APPROACH TO THE STABILITY OF THE ADDITIVE-CUBIC FUNCTIONAL EQUATIONS vol.42, pp.3, 2020, https://doi.org/10.5831/hmj.2020.42.3.449