Existence and Stability of Periodic Solutions of Nicholson-Type System with Nonlinear Density-Dependent Mortality

2021 ◽  
Author(s):  
Gustavo Ossandón ◽  
Daniel Sepúlveda
Keyword(s):  
Periodic Solutions ◽  
Type System ◽  
Density Dependent ◽  
Density Dependent Mortality ◽  
Existence And Stability ◽  
Dependent Mortality

scholarly journals Positive Periodic Solutions of Nicholson-Type Delay Systems with Nonlinear Density-Dependent Mortality Terms

2012 ◽  
Vol 2012 ◽  
pp. 1-13 ◽  
Author(s):  
Wei Chen ◽  
Lijuan Wang
Keyword(s):  
Numerical Simulation ◽  
Periodic Solutions ◽  
Coincidence Degree ◽  
Degree Theory ◽  
Coincidence Degree Theory ◽  
Delay Systems ◽  
Positive Periodic Solutions ◽  
Density Dependent ◽  
Density Dependent Mortality ◽  
Dependent Mortality

This paper is concerned with the periodic solutions for a class of Nicholson-type delay systems with nonlinear density-dependent mortality terms. By using coincidence degree theory, some criteria are obtained to guarantee the existence of positive periodic solutions of the model. Moreover, an example and a numerical simulation are given to illustrate our main results.

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