Comptes Rendus
Partial differential equations
The method of differential contractions
[La méthode des contractions différentielles]
Comptes Rendus. Mathématique, Volume 353 (2015) no. 2, pp. 143-147.

Dans cette Note, nous présentons une méthode simple et générale pour fabriquer des familles de contractions pour des équations aux dérivées partielles non linéaires, d'évolution, ou bien stationnaires. À titre d'exemple, cette méthode est appliquée à l'équation des milieux poreux, pour laquelle nous obtenons de nouvelles contractions. Cette méthode ouvre de nouvelles voies de recherche à explorer.

In this Note, we present a general and fairly simple method to design families of contractions for nonlinear partial differential equations, either of evolution type, or of stationary type. As a particular example, we apply this method to the porous medium equation, for which we get new contractions. This method opens new directions to explore.

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Accepté le :
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DOI : 10.1016/j.crma.2014.08.020
Régis Monneau 1

1 CERMICS, École des ponts ParisTech, Université Paris-Est, 6 et 8, avenue Blaise-Pascal, Cité Descartes, Champs-sur-Marne, 77455 Marne-la-Vallée cedex 2, France
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Régis Monneau. The method of differential contractions. Comptes Rendus. Mathématique, Volume 353 (2015) no. 2, pp. 143-147. doi : 10.1016/j.crma.2014.08.020. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.1016/j.crma.2014.08.020/

[1] P. Benilan; H. Brezis; M.G. Crandall A semilinear equation in L1(RN), Ann. Sc. Norm. Super. Pisa Cl. Sci., Volume 2 (1975) no. 4, pp. 523-555

[2] J.A. Carrillo; A. Jüngel; P.A. Markowich; G. Toscani; A. Unterreiter Entropy dissipation methods for degenerate parabolic problems and generalized sobolev inequalities, Monatshefte Math., Volume 133 (2001), pp. 1-82

[3] G. Chmaycem Study of the porous medium equation and of a blister model, École des ponts ParisTech, Paris, 2014 (PhD thesis)

[4] G. Chmaycem, M. Jazar, R. Monneau, A new contraction family for porous medium and fast diffusion equations, in preparation.

[5] G. Chmaycem, M. Jazar, R. Monneau, in preparation.

[6] M. Del Pino; J. Dolbeault Best constants for Gagliardo–Nirenberg inequalities and applications to nonlinear diffusions, J. Math. Pures Appl. (9), Volume 81 (2002), pp. 847-875

[7] L. Desvillettes; C. Villani Entropic methods for the study of the long time behavior of kinetic equations, Transp. Theory Stat. Phys., Volume 30 (2001) no. 2, 3, pp. 155-168

[8] F. Otto The geometry of dissipative evolution equations: the porous medium equation, Commun. Partial Differ. Equ., Volume 26 (2001) no. 1–2, pp. 101-174

[9] P.E. Sacks Continuity of solutions of a singular parabolic equation, Nonlinear Anal., Volume 7 (1983), pp. 387-409

[10] J.-L. Vázquez The porous medium equation: new contractivity results, Progr. Nonlinear Differential Equations Appl., Volume 63 (2005), pp. 433-451

[11] J.-L. Vázquez Smoothing and Decay Estimates for Nonlinear Diffusion Equations: Equations of Porous Medium Type, Oxford Lecture Series in Mathematics and Its Applications, 2006

[12] J.-L. Vázquez The Porous Medium Equation: Mathematical Theory, Oxford Mathematical Monographs, Clarendon Press, Oxford, UK, 2007

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