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On the generalized orthogonal stability of the pexiderized quadratic functional equations in modular spaces

  • Iz-iddine EL-Fassi EMAIL logo and Samir Kabbaj
Published/Copyright: February 28, 2017
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Abstract

In this paper, we establish the Hyers-Ulam-Rassias stability of the quadratic functional equation of Pexiderized type f(x + y)+ f(x - y) = 2g(x)+ 2h(y), xy in which ⊥ is the orthogonality in the sense of Rätz in modular spaces.


(Communicated by Emanuel Chetcuti)


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Received: 2014-09-17
Accepted: 2015-01-31
Published Online: 2017-02-28
Published in Print: 2017-03-01

© 2017 Mathematical Institute Slovak Academy of Sciences

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