Abstract
In this paper, we rigorously derive a kinetic Cucker-Smale model with strong local alignment. The local alignment term is obtained by considering the limit of a non-local alignment term recently proposed by Motsch and Tadmor. The main difficulty in the analysis is presented by the non-symmetry of the Motsch-Tadmor term as well as the behavior of the velocity when the density vanishes (vacuum). Tools involved are the averaging lemma and several L p estimates.
1991 Mathematics Subject Classification Primary: 35Q84; Secondary: 35D30
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Acknowledgements
The work of Trygve K. Karper was supported by the Research Council of Norway through the project 205738. The work of Antoine Mellet was supported by the National Science Foundation under the Grant DMS-0901340. The work of Konstantina Trivisa was supported by the National Science Foundation under the Grant DMS-1109397.
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Karper, T.K., Mellet, A., Trivisa, K. (2014). On Strong Local Alignment in the Kinetic Cucker-Smale Model. In: Chen, GQ., Holden, H., Karlsen, K. (eds) Hyperbolic Conservation Laws and Related Analysis with Applications. Springer Proceedings in Mathematics & Statistics, vol 49. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-39007-4_11
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DOI: https://doi.org/10.1007/978-3-642-39007-4_11
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