Results 21 to 30 of about 3,319 (144)
Applying allometric scaling to predator-prey systems [PDF]
, 2019 In population dynamics, mathematical models often contain too many parameters to be easily testable. A way to reliably estimate parameters for a broad range of systems would help us obtain clearer predictions from theory.
Eilersen, Andreas, Sneppen, Kim
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Fractal and Fractional, 2023 This paper studies the dynamic behavior of a class of fractional-order antisymmetric Lotka–Volterra systems. The influences of the order of derivative on the boundedness and stability are characterized by analyzing the first-order and 0<α<1-order antisymmetric Lotka–Volterra systems separately.
openaire +2 more sources
Isotropy group of Lotka-Volterra derivations
Journal of Pure and Applied AlgebraIn this paper, we study the isotropy group of Lotka-Volterra derivations of $K[x_{1},\cdots,x_{n}]$, i.e., a derivation $d$ of the form $d(x_{i})=x_{i}(x_{i-1}-C_{i}x_{i+1})$. If $n=3$ or $n \geq 5$, we have shown that the isotropy group of $d$ is finite. However, for $n=4$, it is observed that the isotropy group of $d$ need not be finite. Indeed, for $
Himanshu Rewri, Surjeet Kour
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Amplitude dependent frequency, desynchronization, and stabilization in noisy metapopulation dynamics
, 2006 The enigmatic stability of population oscillations within ecological systems is analyzed. The underlying mechanism is presented in the framework of two interacting species free to migrate between two spatial patches.
A. J. Nicholson +9 more
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The Predator-Prey Model of Tax Evasion: Foundations of a Dynamic Fiscal Ecology
MathematicsTax evasion is a dynamic process reflecting continuous interaction between taxpayers and regulatory institutions rather than a static deviation from fiscal equilibrium.
Miroslav Gombár +2 more
doaj +1 more source
Generalized Communicating P Systems Working in Fair Sequential Model [PDF]
, 2011 In this article we consider a new derivation mode for generalized communicating P systems (GCPS) corresponding to the functioning of population protocols (PP) and based on the sequential derivation mode and a fairness condition.
Spicher, Antoine, Verlan, Sergey
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Genetic Volterra algebras and their derivations
, 2017 The present paper is devoted to genetic Volterra algebras. We first study characters of such algebras. We fully describe associative genetic Volterra algebras, in this case all derivations are trivial. In general setting, i.e.
Ganikhodzhaev, Rasul +3 more
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Entomologia Experimentalis et Applicata, EarlyView.Predation methods vary widely in their ability to quantify biological control. Estimating predation rates (the number of prey killed per predator per time unit) is crucial. Combining predation rates with predator abundance yields real‐time field estimates of pests consumed.
Yann Tricault +4 more
wiley +1 more source
Pattern formation in a predator-prey system characterized by a spatial scale of interaction
, 2009 We describe pattern formation in ecological systems using a version of the classical Lotka-Volterra model characterized by a spatial scale which controls the predator-prey interaction range.
Alonso D. +8 more
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Polymorphic evolution sequence and evolutionary branching [PDF]
, 2008 We are interested in the study of models describing the evolution of a polymorphic population with mutation and selection in the specific scales of the biological framework of adaptive dynamics. The population size is assumed to be large and the mutation
D. Aldous +29 more
core +6 more sources