Abstract
This paper deals with parabolic-elliptic systems of drift-diffusion type modelling gravitational interaction of particles. The main feature is presence of a nonlinear diffusion describing physically relevant density-pressure relations. We study the existence of solutions of the evolution problem, and recall results on the existence of steady states, and the blow up of solutions in cases when drift prevails the diffusion.
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© 2006 Birkhäuser Verlag Basel/Switzerland
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Biler, P., Stańczy, R. (2006). Nonlinear Diffusion Models for Self-gravitating Particles. In: Figueiredo, I.N., Rodrigues, J.F., Santos, L. (eds) Free Boundary Problems. International Series of Numerical Mathematics, vol 154. Birkhäuser, Basel. https://doi.org/10.1007/978-3-7643-7719-9_11
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DOI: https://doi.org/10.1007/978-3-7643-7719-9_11
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