Closed form solutions to generalized logistic-type nonautonomous systems
In this paper the subject is met of providing a two-fold generalization of the logistic population dynamics to a nonautonomous context. First it is assumed the carrying capacity alone pulses the population behavior changing logistically on its own. In such a way we get again the model of Meyer and Ausubel (1999), by them computed numerically, and we solve it completely through the Gauss hypergeometric function. Furthermore, both the carrying capacity and net growth rate are assumed to change simultaneously following two independent logisticals. The population dynamics is then found in closed form through a more difficult integration, involving a (τ1; τ2) extension of the Appell generalized hypergeometric function, Al-Shammery and Kalla (2000); about such a extension a new analytic continuation theorem has been proved.
|Date of creation:||Jan 2009|
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- Raouf, BOUCEKKINE & José R. , RUIZ-TAMARIT, 2004.
"Special functions for the study of economic dynamics : The case of the Lucas-Uzawa model,"
Discussion Papers (IRES - Institut de Recherches Economiques et Sociales)
2004026, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
- Boucekkine, R. & Ruiz-Tamarit, J.R., 2008. "Special functions for the study of economic dynamics: The case of the Lucas-Uzawa model," Journal of Mathematical Economics, Elsevier, vol. 44(1), pages 33-54, January.
- BOUCEKKINE, Raouf & RUIZ-TAMARIT, Ramon, 2004. "Special functions for the study of economic dynamics: The case of the Lucas-Uzawa model," CORE Discussion Papers 2004084, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
- BOUCEKKINE, Raouf & RUIZ-TAMARIT, José Ramon, . "Special functions for the study of economic dynamics: The case of the Lucas-Uzawa model," CORE Discussion Papers RP 2003, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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