Department of Mathematics, University of Tlemcen
BP 119, Tlemcen 13000, Algeria
email: n_ghouali@mail.univ-tlemcen.dz
Department of Mathematics, University of Tlemcen
BP 119, Tlemcen 13000, Algeria
email: touaoulatarik@yahoo.fr
Noureddine Ghouali, Tarik Mohamed Touaoula
Abstract:
We prove the existence and positivity of solutions to
nonautonomus ultraparabolic equations using a
perturbation method. These equations come from
population dynamics, namely from a fish larvae model.
Submitted August 15, 2005. Published October 26, 2005.
Math Subject Classifications: 35G10, 35K70.
Key Words: Ultraparabolic equations; perturbation;
dynamics of the fish larvae.
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Noureddine Ghouali Department of Mathematics, University of Tlemcen BP 119, Tlemcen 13000, Algeria email: n_ghouali@mail.univ-tlemcen.dz |
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Tarik Mohamed Touaoula Department of Mathematics, University of Tlemcen BP 119, Tlemcen 13000, Algeria email: touaoulatarik@yahoo.fr |
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