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Found 181 Documents (Results 1–100)

An existence criterion for maximizers of convolution operators in \(L_1(\mathbb{R}^n)\). (English. Russian original) Zbl 1478.39024

Mosc. Univ. Math. Bull. 76, No. 4, 161-167 (2021); translation from Vestn. Mosk. Univ., Ser. I 76, No. 4, 17-22 (2021).
MSC:  39B32 39B22
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On the generalized Hyers-Ulam stability of the pexider equation on restricted domains. (English) Zbl 1311.39049

Rassias, Themistocles M. (ed.), Handbook of functional equations. Stability theory. New York, NY: Springer (ISBN 978-1-4939-1285-8/hbk; 978-1-4939-1286-5/ebook). Springer Optimization and Its Applications 96, 279-299 (2014).
MSC:  39B82
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On a weak version of Hyers-Ulam stability theorem in restricted domains. (English) Zbl 1311.39040

Rassias, Themistocles M. (ed.), Handbook of functional equations. Stability theory. New York, NY: Springer (ISBN 978-1-4939-1285-8/hbk; 978-1-4939-1286-5/ebook). Springer Optimization and Its Applications 96, 113-133 (2014).
MSC:  39B82
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On the Hyers-Ulam-Rassias stability of the bi-Pexider functional equation. (English) Zbl 1248.39038

Rassias, Themistocles M. (ed.) et al., Functional equations in mathematical analysis. Dedicated to the memory of Stanisław Marcin Ulam on the occasion of the 100th anniversary of his birth. Berlin: Springer (ISBN 978-1-4614-0054-7/hbk; 978-1-4614-0055-4/ebook). Springer Optimization and Its Applications 52, 165-175 (2011).
MSC:  39B82 39B52
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On the Hyers-Ulam stability of functional equations with respect to bounded distributions. (English) Zbl 1248.39025

Rassias, Themistocles M. (ed.) et al., Functional equations in mathematical analysis. Dedicated to the memory of Stanisław Marcin Ulam on the occasion of the 100th anniversary of his birth. Berlin: Springer (ISBN 978-1-4614-0054-7/hbk; 978-1-4614-0055-4/ebook). Springer Optimization and Its Applications 52, 59-78 (2011).
MSC:  39B82 46F15
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Hyers-Ulam-Rassias stability of functional equations in nonlinear analysis. (English) Zbl 1221.39038

Springer Optimization and Its Applications 48. Berlin: Springer (ISBN 978-1-4419-9636-7/hbk; 978-1-4419-9637-4/ebook). xiii, 362 p. (2011).
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