Abstract
A variational inequality for an equation of age-dependent population diffusion is studied. A mixed-type boundary condition is prescribed on time-and age-dependent parts of the boundary. The rate of mortality is allowed to have a divergency property at the maximal age.
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Kubo, M. Some variational inequalities for age-dependent population dynamics. Japan J. Indust. Appl. Math. 8, 275 (1991). https://doi.org/10.1007/BF03167683
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DOI: https://doi.org/10.1007/BF03167683