Mathematical analysis of a two-dimensional population model of metastatic growth including angiogenesis |
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Authors: | Benzekry S��bastien |
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Institution: | 1. CMI-LATP, UMR 6632, Universit?? de Provence, Technop?le Chateau-Gombert, 39, rue F. Joliot-Curie, 13453, Marseille cedex 13, France 2. Laboratoire de Toxicocin??tique et, Pharmacocin??tique UMR-MD3, 27, boulevard Jean Moulin, 13005, Marseille, France
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Abstract: | Angiogenesis is a key process in the tumoral growth which allows the cancerous tissue to impact on its vasculature in order
to improve the nutrient’s supply and the metastatic process. In this paper, we introduce a model for the density of metastasis
which takes into account for this feature. It is a two-dimensional structured population equation with a vanishing velocity
field and a source term on the boundary. We present here the mathematical analysis of the model, namely the well-posedness
of the equation and the asymptotic behavior of the solutions, whose natural regularity led us to investigate some basic properties
of the space Wdiv(W)={V ? L1; div(GV) ? L1}{W_{\rm div}(\Omega)=\left\{V\in L^1;{\rm div}(GV)\in L^1\right\}}, where G is the velocity field of the equation. |
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