Abstract:Abstract. In this paper we prove the stability of the Pexiderized quadratic inequalityϕ(x, y) in the spirit of D. H. Hyers, S. M. Ulam, Th. M. Rassias and P. Gȃvruta. (2000): Primary 39B72, 47H15.
Mathematics subject classification
“…K.W. Jun and Y. H. Lee [13] proved the stability of quadratic equation of Pexider type. The stability problem of the quadratic equation has been extensively investigated by some mathematicians [17], [5], [6].…”
“…K.W. Jun and Y. H. Lee [13] proved the stability of quadratic equation of Pexider type. The stability problem of the quadratic equation has been extensively investigated by some mathematicians [17], [5], [6].…”
“…Rassias [27]- [30] treated the Ulam-Gavruta-Rassias stability on linear and nonlinear mappings and generalized Hyers result. During the last two decades, a number of papers and research monographs have been published on various generalizations and applications of the generalized Hyers-Ulam stability to a number of functional equations and mappings (see [9]- [13], [18]- [26], [33]- [35]). We also refer the readers to the books: P. Czerwik [7] and D.H. Hyers, G. Isac and Th.M.…”
In this paper, we establish the general solution and investigate the generalized Hyers-Ulam stability of the following mixed additive and quadratic functional equationMathematics Subject Classification (2010). 39B72, 39B82, 46B03, 47Jxx.
“…Grabiec [9] give a generalization of the results mentioned above. Jun and Lee [12] proved the Hyers-Ulam-Rassias stability of the pexiderized quadratic equation (1.1). Moslehian investigated the orthogonal stability of the pexiderized quadratic equation (1.1) in [15].…”
In this paper we establish the general solution of the functional equation (y) and investigate the Hyers-Ulam-Rassias stability of this equation in quasiBanach spaces. The concept of Hyers-Ulam-Rassias stability originated from Th. M. Rassias' stability theorem that appeared in his paper: On the stability of the linear mapping in
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