Results 51 to 60 of about 648 (183)
Population dynamics in a Leslie–Gower predator–prey model with predator harvesting at high densities
Mathematical Methods in the Applied Sciences, Volume 48, Issue 1, Page 804-838, 15 January 2025.In this paper, we propose a Leslie–Gower predator–prey model in which the predator can only be captured when its population size exceeds a critical value; the mean growth rate of the prey in the absence of the predator is subject to a semi‐saturation rate that affects its birth curve, and the interaction between the two species is defined by a Holling ...
Christian Cortés García
wiley +1 more source
Creation of single-wing Lorenz-like attractors via a ten-ninths-degree term
Open PhysicsIn light of the subtle connection between the strange attractors and the degree of dynamical systems, in this study, we propose a new simple asymmetric Lorenz-like system and report the finding of single-wing Lorenz-like attractors, which can also be ...
Pan Jun +3 more
doaj +1 more source
Conjoined Lorenz-like attractors coined
Miskolc Mathematical NotesIn contrast to most other periodically forced chaotic systems with infinitely many isolated coexisting strange attractors, little seems to be known about the ones that possess conjoined Lorenz-like attractors with potential existence of infinitely many ...
Haijun Wang +3 more
doaj +1 more source
The dynamics of a simple Laissez-Faire model with two predators
Mathematical Biosciences and Engineering, 2008 In this paper, we study the dynamics of a laissez-faire predator--prey model with both a specialist and a generalist predator. We analyze the stabilities of equilibria by performing linearized stability analyses.
Gunog Seo, Mark Kot
doaj +1 more source
Complex Dynamics and Chaos Control of Discrete Prey–Predator Model With Caputo Fractional Derivative
Complexity, Volume 2025, Issue 1, 2025.This work examines a discrete prey–predator model using the fractional derivative. The conditions for the existence and stability of the fixed points in the model are identified. The analysis is centered on exploring various bifurcations at the positive fixed point to understand their ecological implications.
Rowshon Ara +2 more
wiley +1 more source
On the Hub Number of Ring Graphs and Their Behavior Under Graph Operations
International Journal of Mathematics and Mathematical Sciences, Volume 2025, Issue 1, 2025.This study examines the hub number of ring graphs and investigates their behavior under operations such as union, intersection, and join. Different findings for this parameter are found for a variety of types of ring graphs, such as commutative ring graphs, path ring graphs, complete ring graphs, cycle ring graphs, and star ring graphs, for which the ...
Mohammed Alsharafi +3 more
wiley +1 more source
Stability of fronts in the diffusive Rosenzweig–MacArthur model
Studies in Applied Mathematics, Volume 153, Issue 4, November 2024.Abstract We consider a diffusive Rosenzweig–MacArthur predator–prey model in the situation when the prey diffuses at a rate much smaller than that of the predator. In a certain parameter regime, the existence of fronts in the system is known: the underlying dynamical system in a singular limit is reduced to a scalar Fisher–KPP (Kolmogorov–Petrovski ...
Anna Ghazaryan +3 more
wiley +1 more source
Electronic Current Density Induced by Uniform Magnetic Fields in Clarenes
Chemistry – A European Journal, Volume 30, Issue 43, August 1, 2024.Calculations of the magnetic response are reported for few selected clarenes, the most stable isomers among cycloarenes, as identified by maximization of the number of Clar sextets, and tested computationally. Only some of the rings endowed with a Clar sextet show an exaltation of the diatropic ring current, as could have been expected based on ...
Guglielmo Monaco +3 more
wiley +1 more source
Money growth pegging, Taylor rule, status‐seeking behavior and the “spirit of capitalism”
The Manchester School, Volume 92, Issue 4, Page 313-340, July 2024.Abstract This paper analyzes the impact of “spirit of capitalism” on stationary welfare and stability properties of a one‐sector Ramsey economy, where the demand of money is motivated by a cash‐in‐advance constraint on consumption expenditures. Preferences are defined over consumption and capital stock. There is a monetary authority that follows either
Antoine Le Riche, Antoine Parent
wiley +1 more source
Ecology Letters, Volume 27, Issue 4, April 2024.Modern coexistence theory (MCT) typically focuses on two‐species competition or communities with particular symmetry. Here we study the three‐species Lotka–Volterra competition model, including both pairwise coexistence and founder control. We expand MCT by proposing a third quantity beyond niche and fitness differences: cyclic asymmetry, which can ...
Ravi Ranjan +2 more
wiley +1 more source