HU Die,WEI Xuemei,FENG Zhaoyong,et al.Qualitative analysis of necrotic hyperbolic tumor growth model with Robin free boundary[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2021,60(06):150-160.
HU Die,WEI Xuemei,FENG Zhaoyong,et al.Qualitative analysis of necrotic hyperbolic tumor growth model with Robin free boundary[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2021,60(06):150-160. DOI: 10.13471/j.cnki.acta.snus.2021A006.
Qualitative analysis of necrotic hyperbolic tumor growth model with Robin free boundary
The necrotic hyperbolic tumor growth model with Robin free boundary is studied.The model contains an elliptic equation describing the diffusion of nutrient in the tumor,an ordinary differential equation describing tumor radius,and three nonlinear first-order hyperbolic partial differential equations describing the evolution of proliferating cells,quiescent cells and dead cells,respectively.By applying the characteristic theory of hyperbolic equations and the Banach fixed point theorem,the existence and uniqueness of the global solution of the model are proved.It is proven that
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