Title of article
Stability of a functional equation deriving from quadratic and additive functions in quasi-Banach spaces
Author/Authors
Abbas Najati، نويسنده , , Mohammad B. Moghimi ?، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2008
Pages
17
From page
399
To page
415
Abstract
In this paper we establish the general solution of the functional equation
f (2x +y) +f (2x −y) = f (x + y)+ f (x −y) +2f (2x) −2f (x)
and investigate the Hyers–Ulam–Rassias stability of this equation in quasi-Banach spaces.
© 2007 Elsevier Inc. All rights reserved.
Keywords
Hyers–Ulam–Rassias stability , Additive function , Quasi-Banach space , p-Banach space , quadratic function
Journal title
Journal of Mathematical Analysis and Applications
Serial Year
2008
Journal title
Journal of Mathematical Analysis and Applications
Record number
936384
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