Delay Logistic Equation

This shows the solution of the scalar delay logistic equation in blue along with the solution of the logistic equation without delay () in red.

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DETAILS

For , solutions are monotonic. For , the solutions are oscillatory and asymptotically approach . For , the solutions approach a limit cycle. The boundaries can be determined by considering the test solution , which gives the equation ; that has the solution , where is the ProductLog function.
Reference: K. Gopalsamy, Stability and Oscillations in Delay Differential Equations of Population Dynamics, Boston: Kluwer, 1992.
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