In this paper, we extend to the case of initial data constituted of a Dirac mass plus a bounded density (with finite moments) the theory of Lions and Perthame [8] for the Vlasov–Poisson equation. Our techniques also provide polynomially growing in time estimates for moments of the bounded density.
@article{AIHPC_2015__32_2_373_0, author = {Desvillettes, Laurent and Miot, Evelyne and Saffirio, Chiara}, title = {Polynomial propagation of moments and global existence for a Vlasov--Poisson system with a point charge}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, volume = {32}, year = {2015}, pages = {373-400}, doi = {10.1016/j.anihpc.2014.01.001}, zbl = {1323.35178}, language = {en}, url = {http://dml.mathdoc.fr/item/AIHPC_2015__32_2_373_0} }
Desvillettes, Laurent; Miot, Evelyne; Saffirio, Chiara. Polynomial propagation of moments and global existence for a Vlasov–Poisson system with a point charge. Annales de l'I.H.P. Analyse non linéaire, Tome 32 (2015) pp. 373-400. doi : 10.1016/j.anihpc.2014.01.001. http://gdmltest.u-ga.fr/item/AIHPC_2015__32_2_373_0/
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