Results 71 to 80 of about 1,641 (211)

Homoclinic orbits in 3D dissipative systems [PDF]

open access: yesScientific Technical Review, 2014
The paper deals with a variational system corresponding to a three-dimensional dynamic system. The characteristic equation of the variational system depends on partial solutions. The matrix of the right-hand part of the variational system is a sum of two
Martynyuk Andreevich Anatoly   +1 more
doaj  

Korteweg–de Vries waves in peridynamical media

open access: yesStudies in Applied Mathematics, Volume 152, Issue 1, Page 376-403, January 2024.
Abstract We consider a one‐dimensional peridynamical medium and show the existence of solitary waves with small amplitudes and long wavelength. Our proof uses nonlinear Bochner integral operators and characterizes their asymptotic properties in a singular scaling limit.
Michael Herrmann, Katia Kleine
wiley   +1 more source

Homoclinic Orbits for a Class of Noncoercive Discrete Hamiltonian Systems

open access: yesJournal of Applied Mathematics, 2012
A class of first-order noncoercive discrete Hamiltonian systems are considered. Based on a generalized mountain pass theorem, some existence results of homoclinic orbits are obtained when the discrete Hamiltonian system is not periodical and need not ...
Long Yuhua
doaj   +1 more source

Bogdanov-Takens bifurcations in the enzyme-catalyzed reaction comprising a branched network

open access: yesMathematical Biosciences and Engineering, 2017
There have been some results on bifurcations of codimension one (such as saddle-node, transcritical, pitchfork) and degenerate Hopf bifurcations for an enzyme-catalyzed reaction system comprising a branched network but no further discussion for ...
Qiuyan Zhang   +2 more
doaj   +1 more source

Homoclinic orbits for flows in R3

open access: yesJournal de Physique, 1984
We propose a rough classification for volume contracting flows in R 3 with chaotic behaviour. In the simplest cases, one looks at the nature of a homoclinic loop for the flow. Most configurations have been studied at length in the literature; here we examine briefly the « forgotten » case.
openaire   +3 more sources

Analysis of the Stability and Chaotic Dynamics of an Ecological Model

open access: yesComplexity, Volume 2024, Issue 1, 2024.
Modelling has become an eminent tool in the study of ecological systems. Ecological modelling can help implement sustainable development, mathematical models, and system analysis that explain how ecological processes can promote the sustainable management of resources.
Muhammad Aqib Abbasi   +6 more
wiley   +1 more source

Asset price dynamics in a financial market with fundamentalists and chartists

open access: yesDiscrete Dynamics in Nature and Society, 2001
In this paper we consider a model of the dynamics of speculative markets involving the interaction of fundamentalists and chartists. The dynamics of the model are driven by a two-dimensional map that in the space of the parameters displays regions of ...
Carl Chairella   +2 more
doaj   +1 more source

Limit Cycles and Local Bifurcation of Critical Periods in a Class of Switching Z2 Equivariant Quartic System

open access: yesDiscrete Dynamics in Nature and Society, Volume 2024, Issue 1, 2024.
In this paper, the limit cycles and local bifurcation of critical periods for a class of switching Z2 equivariant quartic system with two symmetric singularities are investigated. First, through the computation of Lyapunov constants, the conditions of the two singularities to become the centers are determined.
Jian Yang   +3 more
wiley   +1 more source

On a Family of Hamilton–Poisson Jerk Systems

open access: yesMathematics
In this paper, we construct a family of Hamilton–Poisson jerk systems. We show that such a system has infinitely many Hamilton–Poisson realizations. In addition, we discuss the stability and we prove the existence of periodic orbits around nonlinearly ...
Cristian Lăzureanu, Jinyoung Cho
doaj   +1 more source

Homoclinic orbits and Lie rotated vector fields

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2000
Based on the definition of Lie rotated vector fields in the plane, this paper gives the property of homoclinic orbit as parameter is changed and the singular points are fixed on Lie rotated vector fields.
Jie Wang, Chen Chen
doaj   +1 more source

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