On the regularity of a generalized diffusion problem arising in population dynamics set in a cylindrical domain
Résumé
In this paper, we consider a generalized diffusion problem arising in population dynamics. To this end, we study a fourth order operational equation of elliptic type, with various boundary conditions. We show existence, uniqueness and regularity of a classical solution on a cylindrical domain under some necessary and sufficient conditions on the data. This elliptic problem is solved in L p (a, b; X), p ∈ (1, +∞), where (a, b) ⊂ R and X is a UMD Banach space. Our techniques use essentially the functional calculus and the semigroup theory.
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