Results 21 to 30 of about 2,347,328 (291)

Global Hopf bifurcation in the ZIP regulatory system [PDF]

open access: yes, 2015
Regulation of zinc uptake in roots of Arabidopsis thaliana has recently been modeled by a system of ordinary differential equations based on the uptake of zinc, expression of a transporter protein and the interaction between an activator and inhibitor ...
Ptashnyk, Mariya   +4 more
core   +1 more source

The Nonlinear Dynamics of a MEMS Resonator with a Triangular Tuning Comb

open access: yesMicromachines, 2023
The nonlinear dynamic response of a MEMS resonator with a triangular tuning comb is studied. The motion equation with dis-smooth tuning electrostatic force is derived according to Newton’s second law.
Lijuan Zhang   +5 more
doaj   +1 more source

Critical Point for Bifurcation Cascades and Featureless Turbulence [PDF]

open access: yesPhysical Review Letters, 2020
In this Letter we show that a bifurcation cascade and fully sustained turbulence can share the phase space of a fluid flow system, resulting in the presence of competing stable attractors. We analyse the toroidal pipe flow, which undergoes subcritical transition to turbulence at low pipe curvatures and supercritical transition at high curvatures, as ...
Jacopo Canton   +3 more
openaire   +4 more sources

Global dynamics, Neimark-Sacker bifurcation and hybrid control in a Leslie’s prey-predator model

open access: yesAlexandria Engineering Journal, 2022
In the present study, we explore the topological classifications at fixed points, global dynamics, Neimark-Sacker bifurcation and hybrid control in the two-dimensional discrete-time Leslie’s prey-predator model.
A.Q. Khan   +2 more
doaj   +1 more source

Hegemony and Bifurcation Points in World History

open access: yesJournal of World-Systems Research, 1995
Examination of the rise and fall of hegemons over the last 500 years reveals that each lasts about 100 years, with another 100 year period between hegemons that is characterized by rough balance among shifting powers frequent major wars.
Terry Boswell
doaj   +1 more source

Bogdanov–Takens bifurcation of a Holling IV prey–predator model with constant-effort harvesting

open access: yesJournal of Inequalities and Applications, 2021
A prey–predator model with constant-effort harvesting on the prey and predators is investigated in this paper. First, we discuss the number and type of the equilibria by analyzing the equations of equilibria and the distribution of eigenvalues.
Lifang Cheng, Litao Zhang
doaj   +1 more source

Quantum entanglement and fixed-point bifurcations [PDF]

open access: yesPhysical Review A, 2005
v2: Structure of the paper changed for clarity, reduced length, now 9 pages with 6 ...
Hines, A. P.   +2 more
openaire   +7 more sources

Bifurcation Analysis in a Discrete-Time Prey-Predator System With Crowly- Martin Functional Response

open access: yesTikrit Journal of Pure Science, 2023
In this paper, a discrete time prey-predator system with Crowly- Martin functional response was studied. The fixed points of the model are obtained, and their stability is analyzed. Further existence of bifurcation analysis at each fixed points and Hopf
Jaza Omer Muhammed, Kawa Ahmed Hassan  
doaj   +1 more source

Chaotic Behaviour in Two-parameter Family of Transcendental Functions Associated with Exponential Map [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2020
This article is devoted to the study of chaos and bifurcation in the real dynamics of a newly proposed two-parameter family of transcendental functions. We assume that one parameter is continuous and other parameter is discrete.
Mohammad Sajid, Abdullah S. Alsuwaiyan
doaj   +1 more source

Trans-heteroclinic bifurcation: a novel type of catastrophic shift [PDF]

open access: yesRoyal Society Open Science, 2018
Global and local bifurcations are extremely important since they govern the transitions between different qualitative regimes in dynamical systems. These transitions or tipping points, which are ubiquitous in nature, can be smooth or catastrophic. Smooth
Josep Sardanyés   +2 more
doaj   +1 more source

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