## Found 24 Documents (Results 1–24)

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### Stability of a quartic functional equation. (English)Zbl 1409.39018

MSC:  39B82 39B52 39B72
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### Solution and stability of a mixed type functional equation. (English)Zbl 07388172

MSC:  39B82 39B22
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MSC:  39B82
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### A fixed point approach to almost double derivations and Lie $$*$$-double derivations. (English)Zbl 1266.39034

MSC:  39B82 39B52 46L57
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### Stability and superstability of ternary homomorphisms and ternary derivations on ternary quasi-Banach algebras. (English)Zbl 1288.39013

MSC:  39B82 39B52 46J99
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### Retracted: Approximation of Jordan homomorphisms in Jordan-Banach algebras. (English)Zbl 1271.39024

Math. Sci., Springer 6, Paper No. 55, 5 p. (2012); retraction ibid. 9, No. 1, 57 (2015).
MSC:  39B82 39B52
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### On some recent developments in Ulam’s type stability. (English)Zbl 1259.39019

MSC:  39B82 39B52
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### Approximation of radical functional equations related to quadratic and quartic mappings. (English)Zbl 1259.39016

MSC:  39B22 39B82 39B52
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### On the stability of a parametric additive functional equation in quasi-Banach spaces. (English)Zbl 1237.39029

MSC:  39B82 39B52 46B99
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### Hyers-Ulam stability of power series equations. (English)Zbl 1220.39027

MSC:  39B82 39B22 39B32
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### Stability of a composite functional equation related to idempotent mappings. (English)Zbl 1211.39019

MSC:  39B82 39B12 39B52
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MSC:  39A30
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MSC:  39B82
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### Hyers-Ulam stability of a bi-Jensen functional equation on a punctured domain. (English)Zbl 1187.39040

MSC:  39B82 39B22
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### Solution and stability of a mixed type additive, quadratic, and cubic functional equation. (English)Zbl 1177.39031

MSC:  39B82 39B52
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### Solution and stability of a mixed type cubic and quartic functional equation in quasi-Banach spaces. (English)Zbl 1177.39034

MSC:  39B82 39B52 46B99
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### On the generalized Hyers-Ulam-Rassias stability of quadratic functional equations. (English)Zbl 1167.39014

MSC:  39B82 39B22
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### Stability of a functional equation deriving from cubic and quartic functions. (English)Zbl 1160.39334

MSC:  39B82 39B22
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### Functional inequalities associated with additive mappings. (English)Zbl 1161.26012

MSC:  26D15 47H14
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