Nonlinear approximation of an ACQ-functional equation in nan-spaces

<p>Abstract</p> <p>In this paper, using the fixed point and direct methods, we prove the generalized Hyers-Ulam stability of an additive-cubic-quartic functional equation in NAN-spaces.</p> <p> <b>Mathematics Subject Classification (2010)</b> </p> <...

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Bibliographic Details
Main Authors: Lee Jung, Park Choonkil, Azadi Kenary Hassan
Format: Article
Language:English
Published: SpringerOpen 2011-01-01
Series:Fixed Point Theory and Applications
Subjects:
Online Access:http://www.fixedpointtheoryandapplications.com/content/2011/1/60