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Found 525 Documents (Results 1–100)

Solutions and stability of some functional equations on semigroups. (English) Zbl 1447.39017

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. 167-198 (2019).
MSC:  39B82 39B52
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Alien functional equations: a selective survey of results. (English) Zbl 1382.39032

Brzdęk, Janusz (ed.) et al., Developments in functional equations and related topics. Selected papers based on the presentations at the 16th international conference on functional equations and inequalities, ICFEI, Będlewo, Poland, May 17–23, 2015. Cham: Springer (ISBN 978-3-319-61731-2/hbk; 978-3-319-61732-9/ebook). Springer Optimization and Its Applications 124, 107-147 (2017).
MSC:  39B52 39B22 39B72
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On the best Hyers-Ulam stability constants for some equations and operators. (English) Zbl 1378.39019

Pardalos, Panos M. (ed.) et al., Contributions in mathematics and engineering. In honor of Constantin Carathéodory. With a foreword by R. Tyrrell Rockafellar. Cham: Springer (ISBN 978-3-319-31315-3/hbk; 978-3-319-31317-7/ebook). 517-528 (2016).
MSC:  39B82 39B52
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Functional equations and Nemytskij operator. (English) Zbl 1339.47092

Wituła, Roman (ed.) et al., Monograph on the occasion of 100th birthday anniversary of Zygmunt Zahorski. Gliwice: Wydawnictwo Politechniki Śląskiej (ISBN 978-83-7880-206-8/pbk). Monografia (Gliwice) 545, 239-258 (2015).
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