Results 21 to 30 of about 406,011 (306)

A Series of Saddle - Node Bifurcation and Chaotic Behavior of a Family of a Semi - Triangular Maps [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2013
This paper studies the bifurcations in dynamics of a family of semi-triangular maps . We will prove that this family has a series of Saddle-node bifurcations and a period doubling bifurcation.
Salma Faris, Ammar Jameel
doaj   +1 more source

Bifurcations of a Ratio-Dependent Holling-Tanner System with Refuge and Constant Harvesting

open access: yesAbstract and Applied Analysis, 2013
The bifurcation properties of a predator prey system with refuge and constant harvesting are investigated. The number of the equilibria and the properties of the system will change due to refuge and harvesting, which leads to the occurrence of several ...
Xia Liu, Yepeng Xing
doaj   +1 more source

Bifurcation Configuration Is an Independent Risk Factor for Aneurysm Rupture Irrespective of Location

open access: yesFrontiers in Neurology, 2019
Background: Bifurcation and sidewall aneurysms have different rupture risks, but whether this difference comes from the location of the aneurysm is not clear.
Qinglin Liu   +11 more
doaj   +1 more source

Bifurcation of finitely deformed thick-walled electroelastic cylindrical tubes subject to a radial electric field [PDF]

open access: yes, 2018
This paper is concerned with the bifurcation analysis of a pressurized electroelastic circular cylindrical tube with closed ends and compliant electrodes on its curved boundaries.
Melnikov, Andrey, Ogden, Raymond W.
core   +1 more source

Clinical and morphological evaluation of coronary bifurcation lesions

open access: yesTürk Kardiyoloji Derneği Arşivi, 2013
Objectives: We aimed to investigate the anatomical and morphological characterization of coronary bifurcation lesions. Study design: The study population consisted of 542 stable patients who underwent coronary angiography.
Mustafa Kurt   +6 more
doaj   +1 more source

Symmetry breaking in periodic and solitary gravity-capillary waves on water of finite depth [PDF]

open access: yes, 1987
A weakly nonlinear model is developed from the Hamiltonian formulation of water waves, to study the bifurcation structure of gravity-capillary waves on water of finite depth.
Zufiria, Juan A.
core   +1 more source

Hopf-zero bifurcation of Oregonator oscillator with delay

open access: yesAdvances in Difference Equations, 2018
In this paper, we study the Hopf-zero bifurcation of Oregonator oscillator with delay. The interaction coefficient and time delay are taken as two bifurcation parameters. Firstly, we get the normal form by performing a center manifold reduction and using
Yuting Cai, Liqin Liu, Chunrui Zhang
doaj   +1 more source

Practical use of dual-lumen catheter-facilitated reverse wire technique for nonhighly angulated side branch

open access: yesResearch in Cardiovascular Medicine, 2022
Dual-lumen catheter (DLC)-facilitated reverse wire technique is considered a method of last resort for inserting a guidewire into a markedly angulated side branch.
Issei Ota   +7 more
doaj   +1 more source

Significance of Ghost Orbit Bifurcations in Semiclassical Spectra

open access: yes, 1999
Gutzwiller's trace formula for the semiclassical density of states in a chaotic system diverges near bifurcations of periodic orbits, where it must be replaced with uniform approximations.
Birkhoff G D   +17 more
core   +2 more sources

Dynamics of A Discrete-Time Ecogenetic Predator-Prey Model

open access: yesCommunication in Biomathematical Sciences, 2023
This article considers a discrete-time model of two genetically distinguished predator population and one prey population. The existence and nature of the boundary and positive fixed points are examined.
Debasis Mukherjee
doaj   +1 more source

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