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Found 37 Documents (Results 1–37)

Stability of bi-additive \(s\)-functional inequalities and quasi-multipliers. (English) Zbl 1481.39023

Rassias, Themistocles M. (ed.), Approximation theory and analytic inequalities. Cham: Springer. 325-337 (2021).
MSC:  39B62 39B82
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Bi-additive s-functional inequalities and quasi-\(\ast\)-multipliers on Banach \(\ast\)-algebras. (English) Zbl 1461.39015

Brzdęk, Janusz (ed.) et al., Ulam type stability. Based on the conferences on Ulam type stability (CUTS), Cluj-Napoca, Romania, July 4–9, 2016 and Timisoara, Romania, October 8–13, 2018. Cham: Springer. 199-215 (2019).
MSC:  39B62 39B52 39B55
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Orthogonal stability of a cubic-quadratic functional equation in orthogonality spaces. (English) Zbl 1440.39015

Akashi, Shigeo (ed.) et al., Proceedings of the seventh international conference on nonlinear analysis and convex analysis (NACA 2011), Busan, South Korea, August 2–5, 2011. Vol. II. Yokohama: Yokohama Publishers. 121-139 (2013).
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