A two-dimensional model for the transmission of dengue fever disease.
Soewono, Edy, Supriatna, Asep K. (2001)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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Soewono, Edy, Supriatna, Asep K. (2001)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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Iwona Karcz-Dulęba (2004)
International Journal of Applied Mathematics and Computer Science
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A simple model of phenotypic evolution is introduced and analysed in a space of population states. The expected values of the population states generate a discrete dynamical system. The asymptotic behaviour of the system is studied with the use of classical tools of dynamical systems. The number, location and stability of fixed points of the system depend on parameters of a fitness function and the parameters of the evolutionary process itself. The influence of evolutionary process parameters...
Iwona Karcz-Dulęba (2004)
International Journal of Applied Mathematics and Computer Science
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Phenotypic evolution of two-element populations with proportional selection and normally distributed mutation is considered. Trajectories of the expected location of the population in the space of population states are investigated. The expected location of the population generates a discrete dynamical system. The study of its fixed points, their stability and time to convergence is presented. Fixed points are located in the vicinity of optima and saddles. For large values of the standard...
Dhar, Joydip, Sharma, Anuj Kumar (2009)
Applied Mathematics E-Notes [electronic only]
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Mukhopadhyay, B.B., Tapaswi, P.K. (1994)
International Journal of Mathematics and Mathematical Sciences
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Brown, V., White, K.A.J. (2010)
Computational & Mathematical Methods in Medicine
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Iwona Karcz-Duleba (2016)
International Journal of Applied Mathematics and Computer Science
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The impatience mechanism diversifies the population and facilitates escaping from a local optima trap by modifying fitness values of poorly adapted individuals. In this paper, two versions of the impatience mechanism coupled with a phenotypic model of evolution are studied. A population subordinated to a basic version of the impatience mechanism polarizes itself and evolves as a dipole centered around an averaged individual. In the modified version, the impatience mechanism is supplied...
Tumwiine, J., Mugisha, J.Y.T., Luboobi, L.S. (2007)
Computational & Mathematical Methods in Medicine
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Piqueira, José Roberto C. (2010)
Mathematical Problems in Engineering
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Moneim, I.A., Mosa, G.A. (2006)
Computational & Mathematical Methods in Medicine
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Moghadas, Seyed M., Gumel, Abba B., McLeod, Robert, Gordon, Richard (2003)
Journal of Theoretical Medicine
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Tian, Xiaohong, Xu, Rui (2009)
Discrete Dynamics in Nature and Society
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