Abstract:We prove the Hyers-Ulam stability of the following Jensen functional inequality∥f((x-y)/n+z)+f((y-z)/n+x)+f((z-x)/n+y)∥≤∥f((x+y+z)∥inp-Banach spaces for any fixed nonzero integern.
“…and Kim, Jun, and Son [13] proved the generalized Hyers-Ulam stability of the Jensen functional inequality in p-Banach spaces. Banachs contraction principle is one of the pivotal results of analysis.…”
Abstract. In this paper, we investigate the solution of the following functional inequalityfor some fixed real number m with 1 3 < m ≤ 1 and using the fixed point method, we prove the generalized Hyers-Ulam stability for it in fuzzy Banach spaces.
“…and Kim, Jun, and Son [13] proved the generalized Hyers-Ulam stability of the Jensen functional inequality in p-Banach spaces. Banachs contraction principle is one of the pivotal results of analysis.…”
Abstract. In this paper, we investigate the solution of the following functional inequalityfor some fixed real number m with 1 3 < m ≤ 1 and using the fixed point method, we prove the generalized Hyers-Ulam stability for it in fuzzy Banach spaces.
Abstract. In this paper, we prove the generalized Hyers-Ulam stability of the following Jensen type functional equationin p-Banach spaces for any fixed nonzero integer n.
“…Fechner [18] and Gilányi [19] have proved the generalized Hyers-Ulam stability of the functional inequality (2). Park et al [20] have investigated the generalized Hyers-Ulam stability of functional inequalities associated with Jordanvon Neumann type additive functional equations, and Kim et al [21] have proved the generalized Hyers-Ulam stability of Jensen functional inequality in -Banach spaces. The stability problems of several functional equations and inequalities have been extensively investigated by a number of authors and there are many interesting results concerning the stability of various functional equations and inequalities [6,22].…”
We establish the general solution of the functional inequality ‖ (−)+ (−)+ (−)−3 ()−3 ()−3 ()‖ ≤ ‖ (+ +)‖ and then investigate the generalized Hyers-Ulam stability of this inequality in Banach spaces and in non-Archimedean Banach spaces.
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