Articles with "dynamic equations" as a keyword



Prolongation of solutions of measure differential equations and dynamic equations on time scales

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Published in 2019 at "Mathematische Nachrichten"

DOI: 10.1002/mana.201700420

Abstract: In this paper, we prove the results on existence and uniqueness of the maximal solutions for measure differential equations, considering more general conditions on functions f and g by using the correspondence between the solutions… read more here.

Keywords: time scales; solutions measure; differential equations; dynamic equations ... See more keywords

Oscillation for a nonlinear neutral dynamic equations on time‐scales with variable exponents

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Published in 2019 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.5636

Abstract: In the present manuscript, we study the oscillation theory for a first‐order nonlinear neutral dynamic equations on timescales with variable exponents of the form read more here.

Keywords: nonlinear neutral; dynamic equations; variable exponents; neutral dynamic ... See more keywords

On the Relationship Between Solutions of Boundary Value Problems for Differential Equations and Corresponding Problems for Dynamic Equations on Time Scales

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Published in 2025 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.70350

Abstract: This paper investigates the relationship between solutions of boundary value problems for ordinary differential equations and those for a family of dynamic equations on time scales. The main result demonstrates that, when the graininess tends… read more here.

Keywords: solutions boundary; differential equations; dynamic equations; boundary value ... See more keywords

Nonoscillation of half‐linear dynamic equations on time scales

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Published in 2021 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.7304

Abstract: The research contained in this paper belongs to the qualitative theory of dynamic equations on time scales. Via the detailed analysis of solutions of the associated Riccati equation and an advanced averaging technique, we provide… read more here.

Keywords: dynamic equations; time; nonoscillation half; equations time ... See more keywords

Periodicity, stability, and synchronization of solutions of hybrid coupled dynamic equations with multiple delays

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Published in 2024 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.9993

Abstract: This paper explores general coupled dynamic equations on time scales with multiple delays and investigates the existence of periodic solutions using the coincidence degree theory approach. The model studied includes the mathematical models of Nicholson,… read more here.

Keywords: multiple delays; dynamic equations; synchronization solutions; periodicity stability ... See more keywords

Hille and Nehari-Type Oscillation Criteria for Third-Order Emden–Fowler Neutral Delay Dynamic Equations

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Published in 2017 at "Bulletin of the Malaysian Mathematical Sciences Society"

DOI: 10.1007/s40840-016-0354-y

Abstract: We establish some oscillation criteria for the third-order Emden–Fowler neutral delay dynamic equations of the form: $$\begin{aligned} (a(t)(x(t)+r(t)x(\tau (t)))^{\Delta \Delta })^\Delta +p(t)x^\gamma (\delta (t))=0 \end{aligned}$$(a(t)(x(t)+r(t)x(τ(t)))ΔΔ)Δ+p(t)xγ(δ(t))=0on a time scale $$\mathbb {T}$$T, where $$\gamma >0$$γ>0 is a… read more here.

Keywords: dynamic equations; delay dynamic; neutral delay; oscillation criteria ... See more keywords

Dynamic equations for solid isotropic radially functionally graded circular cylinders

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Published in 2018 at "Composite Structures"

DOI: 10.1016/j.compstruct.2018.03.087

Abstract: A hierarchy of dynamic equations for solid isotropic functionally graded circular cylinders is derived based on the three dimensional elastodynamic theory. The material parameters are assumed to vary in the radial direction. Using Fourier expansions… read more here.

Keywords: graded circular; functionally graded; equations solid; circular cylinders ... See more keywords

Boundedness of solutions of measure differential equations and dynamic equations on time scales

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Published in 2017 at "Journal of Differential Equations"

DOI: 10.1016/j.jde.2017.02.008

Abstract: Abstract In this paper, we investigate the boundedness results for measure differential equations. In order to obtain our results, we use the correspondence between these equations and generalized ODEs. Furthermore, we prove our results concerning… read more here.

Keywords: time scales; boundedness solutions; differential equations; dynamic equations ... See more keywords
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Oscillation constants for second-order nonlinear dynamic equations of Euler type on time scales

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Published in 2017 at "Journal of Difference Equations and Applications"

DOI: 10.1080/10236198.2017.1371146

Abstract: Abstract We are concerned with the oscillation problem for second-order nonlinear dynamic equations on time scales of the form , where f(x) satisfies if . By means of Riccati technique and phase plane analysis of… read more here.

Keywords: nonlinear dynamic; second order; time scales; dynamic equations ... See more keywords

Dual Quaternions Representation of Lagrange's dynamic equations

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Published in 2023 at "Journal of Mechanisms and Robotics"

DOI: 10.1115/1.4062463

Abstract: Abstract' This paper introduces for the first time, the Lagrange's dynamic equations in dual number quaternion form. Additionally, Rayleigh's dissipation function in dual quaternion form is introduced here allowing for the accounting of dissipative (non-conservative)… read more here.

Keywords: dual quaternions; equations dual; representation lagrange; dynamic equations ... See more keywords

Oscillation Criteria Enhanced for Advanced Half‐Linear Dynamic Equations

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Published in 2024 at "Journal of Mathematics"

DOI: 10.1155/2024/1302630

Abstract: The purpose of this study is to develop new iterative oscillation criteria for second‐order half‐linear advanced dynamic equations. These findings improve and extend recently established criteria for the same equation by several authors as well… read more here.

Keywords: criteria enhanced; enhanced advanced; dynamic equations; oscillation criteria ... See more keywords