Results 51 to 60 of about 332 (160)

Dynamical Analysis of a Delay Two‐Prey–One‐Predator Model Incorporating Fear Effect in the Growth Rate of Preys

Journal of Applied Mathematics, Volume 2025, Issue 1, 2025.
In an ecological point of view, fears from predator cause physiological changes of prey population and these physiological changes may reduce the reproduction of prey. This paper deals with studying the effect of fear that is incorporated in the growth rate of prey on the dynamics of a delay ecological model consisting of two logistically growing prey ...
Hersh Aziz Mohammed, Arkan Nawzad Mustafa, Oluwole D. Makinde   +2 more
wiley   +1 more source

Péclet‐Number‐Dependent Longitudinal Dispersion in Discrete Fracture Networks

Water Resources Research, Volume 60, Issue 12, December 2024.
Abstract Dispersion in fractured media impacts many environmental and geomechanical practices. It is mainly controlled by the structure of fracture networks and the Péclet number (Pe) $(Pe)$, but predicting it remains challenging. In this study, numerous three‐dimensional stochastic discrete fracture networks (DFNs) were generated, where the density ...
Tingchang Yin, Teng Man, Pei Zhang, Sergio Andres Galindo‐Torres   +3 more
wiley   +1 more source

Structural obstruction to the simplicity of the eigenvalue zero in chemical reaction networks

Mathematical Methods in the Applied Sciences, Volume 47, Issue 4, Page 2993-3006, 15 March 2024.
Multistationarity is the property of a system to exhibit two distinct equilibria (steady‐states) under otherwise identical conditions, and it is a phenomenon of recognized importance for biochemical systems. Multistationarity may appear in the parameter space as a consequence of saddle‐node bifurcations, which necessarily require an algebraically ...
Nicola Vassena
wiley   +1 more source

Bifurcation Analysis of the Dynamics in COVID‐19 Transmission through Living and Nonliving Media

Journal of Applied Mathematics, Volume 2024, Issue 1, 2024.
Transmission of COVID‐19 occurs either through living media, such as interaction with a sufferer, or nonliving objects contaminated with the virus. Recovering sufferers and disinfectant spraying prevent interaction between people and virus become the treatment to overcome it.
Ario Wiraya, Laila Fitriana, Triyanto, Yudi Ari Adi, Yuvita Andriani Kusumadewi, Sarah Khoirunnisa, Fernando Simoes   +6 more
wiley   +1 more source

Degenerate Bogdanov–Takens bifurcations in a one-dimensional transport model of a fusion plasma [PDF]

Physica D: Nonlinear Phenomena, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
de Blank, H.J., Kuznetsov, Yu.A., Pekkér, M.J., Veldman, D.W.M.   +3 more
openaire   +3 more sources

Bifurcation and Global Stability of a SEIRS Model With a Modified Nonlinear Incidence Rate

Journal of Applied Mathematics, Volume 2024, Issue 1, 2024.
In this work, a SEIRS (susceptible–exposed–infected–recovered–susceptible) model with modified nonlinear incidence rate is considered. The incidence rate illustrates how the number of infected individuals initially increases at the onset of a disease, subsequently decreases due to the psychological effect, and ultimately reaches saturation due to the ...
Shilan Amin, Saiwan Majeed, Sozan Aziz, Arkan Mustafa, Kamal Kumar   +4 more
wiley   +1 more source

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

Mathematical 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 bifurcations at its cusp.
Qiuyan Zhang, Lingling Liu, Weinian Zhang   +2 more
openaire   +4 more sources

Bifurcations of a modified Leslie–Gower predator–prey model with fear, Allee effect and hunting cooperation strategy

Journal of Biological Dynamics
The fear preoften leads to changes in the physiological characteristics of the prey. Different stages of prey exhibit different physiological behaviours, such as susceptibility to predator risk, which often leads to Allee effect.
Weili Kong, Yuanfu Shao
doaj   +1 more source

Multiple bifurcations of a Leslie-type predator-prey model with additional food in predators

Xi'an Gongcheng Daxue xuebao
To investigate the impact of additional food for predators, a Leslie-Gower type predator-prey model with a Holling type Ⅲ functional response is established, assuming that the predator has multiple food sources.By applying the fundamental theorem of ...
LIU Junli, GUO Zhenghua
doaj   +1 more source

Nonlinear Magnetoconvection in a Sparsely Packed Porous Medium

International Journal of Geophysics, 2011
Linear and weakly nonlinear properties of magnetoconvection in a sparsely packed porous medium are investigated. We have obtained the values of Takens-Bogdanov bifurcation points and codimension two bifurcation points by plotting graphs of neutral curves
A. Benerji Babu, Ragoju Ravi, S. G. Tagare   +2 more
doaj   +1 more source