Ratio dependent
Control optimization and homoclinic bifurcation of a prey–predator model with ratio dependent
... In this paper, a predator–prey model with ratio-dependent and impulsive state feedback control is proposed. We take control measures that combine biological control and chem- ical control. The aim of this ...
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Well-posedness of a ratio-dependent Lotka–Volterra system with feedback control
... We have dealt with the problem of positive solution and periodic solution for a Lotka– Volterra predator–prey system with ratio-dependent functional responses and feedback controls. The general sufficient ...
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Chaos Control in A 3D Ratio-dependent Food Chain System
... and local Hopf bifurca- tion of the delayed 3D ratio-dependent food chain system. It is showed that if the condition (H1) is satisfied, then the 3D ratio-dependent food chain system is ...
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Existence and multiplicity of positive periodic solutions of ratio-dependent food chain model
... In this paper, with the help of a continuation theorem based on Gaines and Mawhin’s co- incidence degree theory, we study the existence and multiplicity of periodic solutions of a ratio-dependent food chain ...
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A free boundary problem for a ratio-dependent diffusion predator-prey system
... A ratio-dependent diffusion predator-prey system with free boundary is investigated to understand the impact of free boundary on spreading-vanishing dichotomy and a long time behavior of ...
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Threshold harvesting policy and delayed ratio-dependent functional response predator-prey model
... In this paper we consider a ratio-dependent functional response predator-prey model with a continuous threshold harvesting and with a discrete time delay. In the model, the delay represents the time that ...
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Persistence and almost periodic solutions for a discrete ratio dependent Leslie system with feedback control
... Feedback control is the basic mechanism by which systems, whether mechanical, elec- trical, or biological, maintain their equilibrium or homeostasis. During the last decade, a series of mathematical systems have been ...
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Turing–Hopf bifurcation of a ratio dependent predator prey model with diffusion
... a ratio-dependent predator-prey model with diffusion and Neumann boundary condition is ...a ratio-dependent predator-prey model with diffusion is ...
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Global Analysis of an SEIR Epidemic Model with a Ratio Dependent Nonlinear Incidence Rate
... S is large (e.g., in the endemic when almost everyone is infected). Therefore, the ratio-dependent transmission rate (2) indeed takes accounts of the crowding effects and behavior changes during epidemics. ...
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A stochastic ratio dependent predator prey model under regime switching
... This article presents an investigation of asymptotic properties of a stochastic ratio- dependent predator-prey model under regime switching. Both the white and color noises are taken into account in our ...
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Pattern Formation in Tri Trophic Ratio Dependent Food Chain Model
... the ratio-dependent In this paper, we have presented a theoretical analysis of evolutionary processes that involves organisms’ distribu- tion and trophic interaction in spatially extended envi- ronment with ...
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The joint effects of diffusion and delay on the stability of a ratio dependent predator prey model
... This paper is concerned with a diffusive and delayed predator-prey system with Leslie-Gower and ratio-dependent Holling type III schemes subject to homogeneous Neumann boundary conditions. Preliminary ...
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Analysis of Delayed Prey-Predator System with Ratio-Dependent III Functional Response
... In this work, the local stability condition for various equilibrium points and the boundedness of the system with ratio-dependent III functional response is investigated in the absence of gestational delay. ...
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Stability analysis of a ratio dependent predator prey system with diffusion and stage structure
... Specifically, the standard Lotka-Volterra type models, on which nearly all existing theories are built, assume that the per capita rate predation depends on the prey num- bers only. An alternative assumption is that, as ...
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Packet Compression Ratio Dependent Spanning Tree for Convergecast
... compression ratio and span- ning trees. We propose packet Compression ratio dependent Spanning Tree (CST) which can provide effective routing paths in terms of the tree length for all ranges of ...
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A Ratio dependent Eco epidemiological Model Incorporating a Prey Refuge
... In this paper, we have investigated the dynamical behaviour of a ratio-dependent predator-prey systems with infection in prey population, and the effect of refuge in the infected prey. Here we have studied ...
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Dynamics and chaos control in a discrete-time ratio-dependent Holling-Tanner model
... Mathematical modeling is a promising approach to understand and analyze the dynamics of ecological systems. In population ecology, the classical and significant studied theme is the interaction between predator and prey ...
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Note on the stability property of a ratio-dependent Holling-Tanner model
... Abstract. A Holling-Tanner system with ratio-dependence functional response is revisited in this paper. By de- veloping the new analysis technique, two set of new conditions which ensure the global attractivity of ...
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Coupling of zygotic transcription to mitotic control at the Drosophila mid blastula transition
... N/C ratio-dependent class genes, such as opa, odd and frs, the expression pattern correlated precisely with the boundary of the nuclear density, ...N/C ratio was perceived as being sufficient to ...
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The Impact Of Determinants The Factor That Influence The Company Performance:A Study On Padini Holding BHD In Malaysia
... Based on the modal summary, it had shown that Adjusted R square is equal to 71.1%. This result was implied by using the internal variables and dependent variables which included ROA, current ratio, ...
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