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Age-Structured

Analytic algorithms for Some Models of Nonlinear Age–Structured Population Dynamics and Epidemiology

Analytic algorithms for Some Models of Nonlinear Age–Structured Population Dynamics and Epidemiology

... Three analytic algorithms based on Adomian decomposition, homotopy perturbation and homotopy analysis methods are proposed to solve some models of nonlinear age-structured population dynamics and epidemi- ...

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Steady State Solution and Stability of an Age Structured MSIQR Epidemic Model

Steady State Solution and Stability of an Age Structured MSIQR Epidemic Model

... and age-structure is less addressed. In this work we propose an age-structured MSIQR (temporarily im- mune-susceptibles-infectives-quarantined-removed) model to study the   0 1 impact of quarantine ...

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Single Species Discrete Age-Structured Population with Variable 	Fraternity and Age-Dependent Harvesting in Unreserved Area

Single Species Discrete Age-Structured Population with Variable Fraternity and Age-Dependent Harvesting in Unreserved Area

... species age-structured fishery model is formulated using Ricker model relationship under age dependent harvesting condition using reserved-unreserved area fisheries ...certain age the species ...

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The age structured population models : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Mathematics at Massey University

The age structured population models : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Mathematics at Massey University

... The general solutions to the McKendrick age-structured population model 3.1 Introduction In this chapter, we shall obtain the general solution of the age-dependent population dynamics mo[r] ...

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Integro Differential Age Structured System for Influenza Transmission Dynamics

Integro Differential Age Structured System for Influenza Transmission Dynamics

... decades, age-structured models have been developed for different infectious ...with age groups under the assumption of proportional mixing between/within age-groups [18, ...the ...

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Impact Of Treatment On Droplet Infection: Age Structured Mathematical Model

Impact Of Treatment On Droplet Infection: Age Structured Mathematical Model

... adults become sick [6]. E. Beretta at el. (2018) have studied a mathematical model for malaria transmission. They included two-age-classes (child and adult) and asymptomatic carriers in the model. The mortality ...

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Age-structured models and optimal control in mathematical equidemiology: a survey

Age-structured models and optimal control in mathematical equidemiology: a survey

... an age-structured population by a fatal ...an age-structured population which would otherwise grow is presented and ...steady age distribution (SAD) for which an expression is obtained ...

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Quota implementation of the maximum sustainable yield for age structured fisheries

Quota implementation of the maximum sustainable yield for age structured fisheries

... an age-structured bioeconomic model. An age-structured model in a single species fishery with two fleets having perfect or imperfect fishing selectivity is ...relative age composition ...

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Dynamic model of influenza with age-structured and media coverage

Dynamic model of influenza with age-structured and media coverage

... with age-structured and media coverage for the spread of influenza, which transmits within a population in a short time, and the population is divided into two parts including the adolescent and the adult, ...

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Existence-uniqueness and Monotone approximation for an erythropoiesis age-structured model

Existence-uniqueness and Monotone approximation for an erythropoiesis age-structured model

... With its many stages of development and due to the fact that cells in differing stages have different properties, erythropoiesis process lends itself naturally to age-structured modeling. In particular, we ...

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Threshold dynamics of a predator–prey model with age structured prey

Threshold dynamics of a predator–prey model with age structured prey

... above age-structured predator–prey population models, age structure is intro- duced into interactions of multi-species, and population models can quickly become re- markably complex [7, ...of ...

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Global attractivity in a non monotone age structured model with age dependent diffusion and death rates

Global attractivity in a non monotone age structured model with age dependent diffusion and death rates

... age effects of the mature population in the mathematical models. Therefore, Al-Jararha and Ou in [1] investigated the age-structured model (1.1)–(1.3) with the assumption that D(a) and d(a) are ...

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Global dynamics of an age structured in host viral infection model with humoral immunity

Global dynamics of an age structured in host viral infection model with humoral immunity

... infection age a at time ...the age-structured HIV infection model when they introduced ...an age-structured HIV infection model with saturation infection rate, their result is an ...

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Effective Size of a Fluctuating Age-Structured Population

Effective Size of a Fluctuating Age-Structured Population

... these effects is essential for calculating the effective size Tuljapurkar derived approximate formulas for the of a population with overlapping generations. expected growth rate of ln N, also known as the long-run Here ...

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An age-structured model for pneumococcal infection with vaccination

An age-structured model for pneumococcal infection with vaccination

... the age of 65, and 613 in children under the age of four ...on age. Thus we study these processes within an age-structured framework that incorporates the impact of ...

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Threshold dynamical analysis on a class of age structured tuberculosis model with immigration of population

Threshold dynamical analysis on a class of age structured tuberculosis model with immigration of population

... the age-structured epidemic models are thought to be more practical to describe certain disease ...the age-dependent latency and relapse, Liu [] established and researched the following ...

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A note on CES Preferences in Age Structured Models

A note on CES Preferences in Age Structured Models

... in age-structured fishery ...an age- structured bioeconomic model produces links between the scarcity of the resource (measured as the weighted sum of the size of the cohorts, which is similar ...

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The evolution of labile traits in sex- and age-structured populations

The evolution of labile traits in sex- and age-structured populations

... and age), and (iii) labile trait variation impacts vital rates directly and through its effect on key life-history events such as ...and age-structured models (Childs et ...2015). Age is a ...

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The evolution of oscillatory behavior in age-structured species

The evolution of oscillatory behavior in age-structured species

... for structured single species, a large range of periodic modes of oscillation can be accessed (Green- man and Benton 2004), whereas in the field the periods appear to be narrowly ...of age-structured ...

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Mathematical Analysis and Simulation of an Age Structured Model of Two Patch for Tuberculosis (TB)

Mathematical Analysis and Simulation of an Age Structured Model of Two Patch for Tuberculosis (TB)

... discussed. Each sub-population is subjected to a vaccination program. Apart from age; the vaccinated compartment, we introduced as a class of treated in the model proposed by Tewa J. Jules in [11] and allowed the ...

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