Honam Mathematical Journal (호남수학학술지)

The Honam Mathematical Society (호남수학회)
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ON FUNCTIONAL INEQUALITIES CONNECTED WITH INTERTWINING MAPPINGS

  • Received : 2009.01.22
  • Accepted : 2009.06.04
  • Published : 2009.06.25
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Abstract

For a mapping satisfying the inequality ${\parallel}{\lambda}f(x)+2{\lambda}f(y)+2f({\lambda}z){\parallel}{\leq}{\parallel}2f({\lambda}({\frac{2}{x}}+y+z)){\parallel}+{\phi}(x,y,z)$, we will study the stability problem of this mapping.

Keywords

References

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