## Found 2,053 Documents (Results 1–100)

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### Hyers-Ulam stability and hyperstability of a Jensen-type functional equation on 2-Banach spaces. (English)Zbl 07512187

MSC:  39B82 39B52 39B62
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### Existence and Hyers-Ulam stability results for partial fractional-order delay differential equations. (English)Zbl 07501062

MSC:  26A33 34G20 47H10
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### Hyers-Ulam-Rassias stability of high-dimensional quaternion impulsive fuzzy dynamic equations on time scales. (English)Zbl 1482.34010

MSC:  34A07 34N05 11R52
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### Existence and stability analysis of sequential coupled system of Hadamard-type fractional differential equations. (English)Zbl 07479313

MSC:  26A33 34A08 35B40
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### Hyers-Ulam stability of $$\varepsilon$$-isometries between the positive cones of $$c_0$$. (English)Zbl 07466712

MSC:  46B04 46B20
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### On the stability of linear quaternion-valued differential equations. (English)Zbl 1483.34021

MSC:  34A30 34D20 34D10
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### Stability analysis of initial value problem of pantograph-type implicit fractional differential equations with impulsive conditions. (English)Zbl 07526154

MSC:  26A33 34A07 35B40
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### Generalized linear differential equation using Hyers-Ulam stability approach. (English)Zbl 07514466

MSC:  34A30 34A12
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### Hyers-Ulam stability of an $$n$$-variable quartic functional equation. (English)Zbl 07514459

MSC:  39B72 39B82 39B52
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### Comment for “Existence and Hyers-Ulam stability for a nonlinear singular fractional differential equations with Mittag-Leffler kernel”. (English)Zbl 07511337

MSC:  34-XX 26-XX
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### Controllability and Hyers-Ulam stability results of initial value problems for fractional differential equations via generalized proportional-Caputo fractional derivative. (English)Zbl 07493424

MSC:  26A33 93B05 34K35
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### Hyers-Ulam stability and existence of solution for nonlinear variable fractional differential equations with singular kernel. (English)Zbl 07490158

MSC:  65-XX 35-XX
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### Analysis of $$( \alpha, \beta )$$-order coupled implicit Caputo fractional differential equations using topological degree method. (English)Zbl 07486830

MSC:  26D10 34A08 35R11
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### Hyers-Ulam stability of isometries on bounded domains. (English)Zbl 07485640

MSC:  39B82 39B52 46B04
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### Stability of a system of Euler-Lagrange type cubic functional equations in non-Archimedean 2-normed spaces. (Persian. English summary)Zbl 07481970

MSC:  39B72 46S10 54E70
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### Hyers-Ulam stability for second order linear differential equations of Carathéodory type. (English)Zbl 07472387

MSC:  34A30 34D10 34H05
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### Functional inequalities for generalized multi-quadratic mappings. (English)Zbl 07465123

MSC:  39B82 39B52 47H10
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### Best approximation of $$\kappa$$-random operator inequalities in matrix MB-algebras. (English)Zbl 07464992

MSC:  54H20 46L05 39B62 43A22
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### A fixed point approach to the Hyers-Ulam-Rassias stability problem of pexiderized functional equation in modular spaces. (English)Zbl 1481.39024

MSC:  39B82 39B52 47H10
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### Application of Sumudu transform method for Hyers-Ulam stability of partial differential equation. (English)Zbl 07452322

MSC:  34K20 34K30
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### Instability of second-order nonhomogeneous linear difference equations with real-valued coefficients. (English)Zbl 07445743

MSC:  39A30 39A06
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### Hyers-Ulam stability for a partial difference equation. (English)Zbl 07444224

MSC:  39A14 39A30
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### Some remarks on the stability of the Cauchy equation and completeness. (English)Zbl 1482.39040

MSC:  39B82 46S10
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### Hyers-Ulam stability for hyperbolic random dynamics. (English)Zbl 1482.37048

MSC:  37H30 47B40 47A55
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### Mahgoub transform and Hyers-Ulam stability of first-order linear differential equations. (English)Zbl 1480.34009

MSC:  34A30 34D10 44A15
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### Shadowing for nonautonomous difference equations with infinite delay. (English)Zbl 1472.39026

MSC:  39A30 39A12
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### On the stability of some functional equations and $$s$$-functional inequalities. (English)Zbl 1480.39027

Rassias, Themistocles M. (ed.), Approximation theory and analytic inequalities. Cham: Springer. 339-353 (2021).
MSC:  39B62 39B82
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### 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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### Additive-quadratic $$\rho$$-functional equations in $$\beta$$-homogeneous normed spaces. (English)Zbl 1480.39023

Rassias, Themistocles M. (ed.), Approximation theory and analytic inequalities. Cham: Springer. 309-323 (2021).
MSC:  39B52 39B82
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### Hyers-Ulam stability for differential equations and partial differential equations via Gronwall lemma. (English)Zbl 07404631

Rassias, Themistocles M. (ed.), Approximation theory and analytic inequalities. Cham: Springer. 59-69 (2021).
MSC:  34D10 26D10 35B20
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### On the Hyers-Ulam stability of certain nonautonomous and nonlinear difference equations. (English)Zbl 1480.39013

MSC:  39A30 39B05 39B82
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### Existence and stability of nonlinear discrete fractional initial value problems with application to vibrating eardrum. (English)Zbl 1471.92051

MSC:  92C10 26A33 35F25
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### New existence and stability results for fractional Langevin equation with three-point boundary conditions. (English)Zbl 1476.34020

MSC:  34A08 26A33 34A12
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### Analyzing a novel coronavirus model (COVID-19) in the sense of Caputo-Fabrizio fractional operator. (English)Zbl 1475.92154

MSC:  92D30 26A33
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### On non-linear $$\varepsilon$$-isometries between the positive cones of certain continuous function spaces. (English)Zbl 1483.46009

MSC:  46B04 46B20 46E15
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### Best Hyers-Ulam stability constants on a time scale with discrete core and continuous periphery. (English)Zbl 07392137

Rassias, Themistocles M. (ed.), Nonlinear analysis, differential equations, and applications. Cham: Springer. Springer Optim. Appl. 173, 17-37 (2021).
MSC:  39A13 39A12 34N05
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### Hyers-Ulam stability for Cayley quantum equations and its application to $$h$$-difference equations. (English)Zbl 1471.39012

MSC:  39A30 39A13
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### Ulam type stability for conformable fractional differential equations. (English)Zbl 1476.34030

MSC:  34A08 34D10 47N20
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### Additive double $$\rho$$-functional inequalities in $$\beta$$-homogeneous $$F$$-spaces. (English)Zbl 1470.39057

MSC:  39B62 39B52
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### On an equation characterizing multi-cubic mappings and its stability and hyperstability. (English)Zbl 1473.39046

MSC:  39B82 39B52
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### On the generalized Hyers-Ulam stability of a functional equation and its consequences. (English)Zbl 1468.39016

MSC:  39B82 47H10
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### Hyers-Ulam and Hyers-Ulam-Rassias stability of first-order nonlinear dynamic equations. (English)Zbl 1471.34171

MSC:  34N05 34G20 34D10
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MSC:  46S40
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### A new approach to the Hyers-Ulam-Rassias stability of differential equations. (English)Zbl 1471.34049

MSC:  34B15 34D10 35J25
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### Uniqueness and Hyers-Ulam stability of random differential variational inequalities with nonlocal boundary conditions. (English)Zbl 07359217

MSC:  47J20 60H25
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### On an equation characterizing multi-Jensen-quartic mappings and its stability. (English)Zbl 1469.39013

MSC:  39B52 39B72 39B82
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### Hyers-Ulam stability of functional equation deriving from quadratic mapping in non-Archimedean $$(n,\beta)$$-normed spaces. (English)Zbl 1466.39018

MSC:  39B82 39B52 46S10
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### Hyers-Ulam stability for nonautonomous semilinear dynamics on bounded intervals. (English)Zbl 1466.34052

MSC:  34D10 37C60
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### Orthogonal stability and nonstability of a generalized quartic functional equation in quasi-$$\beta$$-normed spaces. (English)Zbl 1464.39025

MSC:  39B82 39B52 39B55
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MSC:  39B82
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### Hyers-Ulam and Hyers-Ulam-Rassias stability of first-order linear dynamic equations. (English)Zbl 1474.34624

MSC:  34N05 34D10 34G10
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### Various stabilities of reciprocal-septic and reciprocal-octic functional equations. (English)Zbl 1464.39026

MSC:  39B82 39B52 39B72
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### A kind of stricter Hyers-Ulam stability of second order linear differential equations of Carathéodory type. (English)Zbl 1471.34030

MSC:  34A30 34D10
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### Best constant for Hyers-Ulam stability of two step sizes linear difference equations. (English)Zbl 1459.39036

MSC:  39A30 39A06
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### Periodic solutions and Hyers-Ulam stability of atmospheric Ekman flows. (English)Zbl 1467.34043

MSC:  34C25 34D10
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### Stability of characters and filters for weighted semilattices. (English)Zbl 1471.46050

MSC:  46J10 06B05 43A10
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### Hyers-Ulam stability of bijective $$\varepsilon$$-isometries between Hausdorff metric spaces of compact convex subsets. (English)Zbl 1469.46011

MSC:  46B04 41A65 46B20
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### Asymptotic Hyers-Ulam stability or superstability by unilateral perturbations on the concavity side for generalized linear equations. (English)Zbl 1458.39022

MSC:  39B62 26A51
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### On stability of $$\alpha$$-radical reciprocal functional equation. (English)Zbl 1463.39066

MSC:  39B82 39B52
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### Bihomomorphisms and biderivations in Lie Banach algebras. (English)Zbl 07515722

MSC:  39B52 17B40 47B47
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### Solution of a 3-D cubic functional equation and its stability. (English)Zbl 07515691

MSC:  39B52 39B72 39B82
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### Ulam stability of linear differential equations using Fourier transform. (English)Zbl 07515629

MSC:  34A30 42A38 42A85
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