Abstract :
Let X and Y be vector spaces. It is shown that a mapping f:X→Yf:X→Y satisfies the functional equation
equation(0.1)
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Keywords :
Cauchy–Rassias stability , Trifיs functional equation , C*C*-algebra homomorphism
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications