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Imperfect Homoclinic Bifurcations [PDF]

open access: yesPhysical Review E, 2001
Experimental observations of an almost symmetric electronic circuit show complicated sequences of bifurcations. These results are discussed in the light of a theory of imperfect global bifurcations.
A. Arnéodo   +23 more
core   +3 more sources

Control bifurcations [PDF]

open access: yesIEEE Transactions on Automatic Control, 2004
A parametrized nonlinear differential equation can have multiple equilibria as the parameter is varied. A local bifurcation of a parametrized differential equation occurs at an equilibrium where there is a change in the topological character of the ...
Chang, Dong Eui   +2 more
core   +5 more sources

Classification of Codimension-1 Singular Bifurcations in Low-Dimensional DAEs

open access: yesFrontiers in Applied Mathematics and Statistics, 2022
The study of bifurcations of differential-algebraic equations (DAEs) is the topic of interest for many applied sciences, such as electrical engineering, robotics, etc.
Ivan Ovsyannikov   +2 more
doaj   +1 more source

The continuum of wood-induced channel bifurcations

open access: yesFrontiers in Water, 2023
Accumulations of wood in rivers can alter three-dimensional connectivity and facilitate channel bifurcations. Bifurcations divide the flow of water and sediment into secondary channels and are a key component of anastomosing rivers.
Anna Marshall, Ellen Wohl
doaj   +1 more source

Stability Analysis of a Modified Leslie–Gower Predation Model With Weak Allee Effect in the Prey

open access: yesFrontiers in Applied Mathematics and Statistics, 2022
In this manuscript, we study a Leslie–Gower predator-prey model with a hyperbolic functional response and weak Allee effect. The results reveal that the model supports coexistence and oscillation of both predator and prey populations.
Claudio Arancibia-Ibarra   +3 more
doaj   +1 more source

Bifurcations of Periodic Orbits in the Gravitational Field of Irregular Bodies: Applications to Bennu and Steins

open access: yesAerospace, 2022
We investigate the topological types and bifurcations of periodic orbits in the gravitational field of irregular bodies by the well-known two parameter analysis method.
Yongjie Liu, Yu Jiang, Hengnian Li
doaj   +1 more source

Dynamics of a plant-herbivore model with a chemically-mediated numerical response

open access: yesMathematics in Applied Sciences and Engineering, 2021
A system of two ordinary differential equations is proposed to model chemically-mediated interactions between plants and herbivores by incorporating a toxin-modified numerical response.
Lin Wang, James Watmough, Fang Yu
doaj   +1 more source

Singularity bifurcations [PDF]

open access: yesJournal of Macroeconomics, 2006
equation models represent an important class of macroeconomic systems. Our ongoing research (He and Barnett (2003)) on the Leeper and Sims (1994) Euler equations macroeconometric model is revealing the existence of singularity-induced bifurcations, when the model¡¯s parameters are within a confidence region about the parameter estimates. Although known
Yijun He, William Barnett
openaire   +2 more sources

Electron bifurcation [PDF]

open access: yesCurrent Opinion in Chemical Biology, 2016
Electron bifurcation is the recently recognized third mechanism of biological energy conservation. It simultaneously couples exergonic and endergonic oxidation-reduction reactions to circumvent thermodynamic barriers and minimize free energy loss.
John W, Peters   +4 more
openaire   +2 more sources

Automobile Technological Transition Scenarios Based on Environmental Drivers

open access: yesApplied Sciences, 2022
Different industrial sectors are assuming measures to mitigate their greenhouse gas emissions, facing the imminent materialization of climate change effects.
Julieth Stefany García   +3 more
doaj   +1 more source

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