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We deal with a degenerate model describing the dynamics of a populationdepending on time, on age and on space. We assume that the degeneracy can occurat the boundary or in the interior of the space domain and we focus on nullcontrollability problem. To this aim, we prove first Carleman estimates for theassociated adjoint problem, then, via cut off functions, we prove the existenceof a null control function localized in the interior of the space domain.

Carleman estimates and null controllability for a degenerate population model