Kyungpook Mathematical Journal

  • 제55권1호
  • /
  • Pages.91-101
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  • 2015
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  • 1225-6951(pISSN)
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  • 0454-8124(eISSN)
경북대학교 자연과학대학 수학과 (Department of Mathematics, Kyungpook National University)
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On the Stability of a Mixed Type Functional Equation

  • Lee, Yang-Hi (Department of Mathematics Education, Gongju National University of Education) ;
  • Jung, Soon-Mo (Mathematics Section, College of Science and Technology, Hongik University)
  • 투고 : 2013.08.10
  • 심사 : 2013.09.30
  • 발행 : 2015.03.23
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초록

In this paper, we investigate the stability of the functional equation f(-x + y + z + w) + f(x - y + z + w) + f(x + y - z + w) + f(x + y + z - w) = 3f(x) + f(-x) + 3f(y) + f(-y) + 3f(z) + f(-z) + 3f(w) + f(-w) by using the direct method in the sense of Hyers.

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과제정보

연구 과제 주관 기관 : National Research Foundation of Korea (NRF)

참고문헌

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