Benzarouala, Chaimaa; Brzdęk, Janusz; El-hady, El-sayed; Oubbi, Lahbib On Ulam stability of the inhomogeneous version of the general linear functional equation. (English) Zbl 1515.39017 Result. Math. 78, No. 3, Paper No. 76, 32 p. (2023). Reviewer: Jacek Chmieliński (Kraków) MSC: 39B82 37B52 47H10 PDFBibTeX XMLCite \textit{C. Benzarouala} et al., Result. Math. 78, No. 3, Paper No. 76, 32 p. (2023; Zbl 1515.39017) Full Text: DOI
Brzdęk, Janusz; El-hady, El-sayed; Schwaiger, Jens Investigations on the Hyers-Ulam stability of generalized radical functional equations. (English) Zbl 1441.39029 Aequationes Math. 94, No. 3, 575-593 (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{J. Brzdęk} et al., Aequationes Math. 94, No. 3, 575--593 (2020; Zbl 1441.39029) Full Text: DOI
Brzdęk, Janusz; El-Hady, El-Sayed On approximately additive mappings in 2-Banach spaces. (English) Zbl 1440.39017 Bull. Aust. Math. Soc. 101, No. 2, 299-310 (2020). Reviewer: Jacek Chmieliński (Kraków) MSC: 39B82 39B52 47H10 PDFBibTeX XMLCite \textit{J. Brzdęk} and \textit{E.-S. El-Hady}, Bull. Aust. Math. Soc. 101, No. 2, 299--310 (2020; Zbl 1440.39017) Full Text: DOI
El-hady, El-Sayed On solutions and stability of a functional equation arising from a queueing system. (English) Zbl 1447.39011 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. 143-152 (2019). MSC: 39B22 39B82 60K25 PDFBibTeX XMLCite \textit{E.-S. El-hady}, in: 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. 143--152 (2019; Zbl 1447.39011) Full Text: DOI
El-hady, El-Sayed On stability of the functional equation of p-Wright affine functions in 2-Banach spaces. (English) Zbl 1450.39015 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. 131-141 (2019). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{E.-S. El-hady}, in: 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. 131--141 (2019; Zbl 1450.39015) Full Text: DOI
El-hady, El-sayed On stability of the functional equation of \(p\)-Wright affine functions in \((2,\alpha)\)-Banach spaces. (English) Zbl 1425.39014 J. Egypt. Math. Soc. 27, Paper No. 21, 9 p. (2019). MSC: 39B52 39B82 47H10 PDFBibTeX XMLCite \textit{E.-s. El-hady}, J. Egypt. Math. Soc. 27, Paper No. 21, 9 p. (2019; Zbl 1425.39014) Full Text: DOI
Brzdȩk, Janusz; El-hady, El-sayed; Leśniak, Zbigniew On fixed points of a linear operator of polynomial form of order 3. (English) Zbl 1479.47042 J. Fixed Point Theory Appl. 20, No. 2, Paper No. 85, 10 p. (2018). MSC: 47H10 47A63 47J26 PDFBibTeX XMLCite \textit{J. Brzdȩk} et al., J. Fixed Point Theory Appl. 20, No. 2, Paper No. 85, 10 p. (2018; Zbl 1479.47042) Full Text: DOI