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Fast and slow dynamics of malaria and the S-gene frequency.
(Journal of Dynamics and Differential Equations (Springer), 2004)
A mathematical model incorporating both malaria epidemics and human population genetics of the sickle-cell gene is studied. Singular perturbation techniques are used to separate the dynamics of the model into two time-scales ...
PP-graphics with a nilpotent elliptic singularity in quadratic systems and Hilbert's 16th problem
(Journal of Differential Equations (Elsevier Science), 2004)
This paper is part of the program launched in (J. Differential Equations 110(1) (1994) 86) to prove the finiteness part of Hilbert’s 16th problem for quadratic system, which consists in proving that 121 graphics have finite ...