# American Institute of Mathematical Sciences

September  2011, 1(3): 353-389. doi: 10.3934/mcrf.2011.1.353

## Global stabilization of a coupled system of two generalized Korteweg-de Vries type equations posed on a finite domain

 1 Instituto de Matemática, Universidade Federal do Rio de Janeiro, P.O. Box 68530, CEP 21941-909, Rio de Janeiro, RJ, Brazil, Brazil 2 Institut Élie Cartan, UMR 7502 UHP/CNRS/INRIA, B.P. 239, F-54506 Vandoeuvre-lès-Nancy Cedex

Received  November 2010 Revised  April 2011 Published  September 2011

The purpose of this work is to study the internal stabilization of a coupled system of two generalized Korteweg-de Vries equations under the effect of a localized damping term. The exponential stability, as well as, the global existence of weak solutions are investigated when the exponent in the nonlinear term ranges over the interval $[1, 4)$. To obtain the decay we use multiplier techniques combined with compactness arguments and reduce the problem to prove a unique continuation property for weak solutions. Here, the unique continuation is obtained via the usual Carleman estimate.
Citation: Dugan Nina, Ademir Fernando Pazoto, Lionel Rosier. Global stabilization of a coupled system of two generalized Korteweg-de Vries type equations posed on a finite domain. Mathematical Control & Related Fields, 2011, 1 (3) : 353-389. doi: 10.3934/mcrf.2011.1.353
##### References:
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show all references

##### References:
 [1] M. Ablowitz, D. Kaup, A. Newell and H. Segur, Nonlinear-evolution equations of physical signifcance,, Phys. Rev. Lett., 31 (1973), 125. doi: 10.1103/PhysRevLett.31.125. Google Scholar [2] E. Alarcon, J. Angulo and J. F. Montenegro, Stability and instability of solitary waves for a nonlinear dispersive system,, Nonlinear Anal., 36 (1999), 1015. doi: 10.1016/S0362-546X(97)00724-4. Google Scholar [3] E. Bisognin, V. Bisognin and G. P. Menzala, Exponential stabilization of a coupled system of Korteweg-de Vries Equations with localized damping,, Adv. Diff. Eq., 8 (2003), 443. Google Scholar [4] J. Bona, G. Ponce, J.-C. Saut and M. M. Tom, A model system for strong interaction between internal solitary waves,, Comm. Math. Phys., 143 (1992), 287. doi: 10.1007/BF02099010. Google Scholar [5] T. Cazenave and A. Haraux, "An Introduction to Semilinear Evolution Equation,", Oxford Lecture Series in Mathematics and its Applications, 13 (1998). Google Scholar [6] J. Bona, S. M. Sun and B.-Y. Zhang, A nonhomogeneous boundary-value problem for the Korteweg-de Vries equation posed on a finite domain,, Comm. Partial Differential Equations, 28 (2003), 1391. Google Scholar [7] M. Davila, "On the Unique Continuation Property for a Coupled System of Korteweg-de Vries Equations,", Ph.D thesis, (1994). Google Scholar [8] J. A. Gear and R. Grimshaw, Weak and strong interaction between internal solitary waves,, Stud. in Appl. Math., 70 (1984), 235. Google Scholar [9] F. Linares and M. Panthee, On the Cauchy problem for a coupled system of KdV equations,, Commun. Pure Appl. Anal., 3 (2004), 417. doi: 10.3934/cpaa.2004.3.417. Google Scholar [10] F. Linares and A. F. Pazoto, On the exponential decay of the critical generalized Korteweg-de Vries equation with localized damping,, Proc. Amer. Math. Soc., 135 (2007), 1515. doi: 10.1090/S0002-9939-07-08810-7. Google Scholar [11] C. P. Massarolo and A. F. Pazoto, Uniform stabilization of a nonlinear coupled system of Korteweg-de Vries equation as a singular limit of the Kuramoto-Sivashinsky system,, Differential Integral Equations, 22 (2009), 53. Google Scholar [12] G. P. Menzala, C. F. Vasconcellos and E. Zuazua, Stabilization of the Korteweg-de Vries equation with localized damping,, Quarterly of Appl. Math., 60 (2002), 111. Google Scholar [13] G. P. Menzala, C. P. Massarolo and A. F. Pazoto, Uniform stabilization of a class of KdV equations with localized damping,, Quarterly of Appl. Math., (). Google Scholar [14] S. Micu and J. H. Ortega, On the controllability of a linear coupled system of Korteweg-de Vries equations,, in, (2000), 1020. Google Scholar [15] S. Micu, J. H. Ortega and A. F. Pazoto, On the controllability of a coupled system of two Korteweg-de Vries equations,, Commun. Contemp. Math., 11 (2009), 799. doi: 10.1142/S0219199709003600. Google Scholar [16] A. Pazoto, Unique continuation and decay for the Korteweg-de Vries equation with localized damping,, ESAIM Control Optim. Calc. Var., 11 (2005), 473. doi: 10.1051/cocv:2005015. Google Scholar [17] L. Rosier, Exact boundary controllability for the Korteweg-de Vries equation on a bounded domain,, ESAIM Control Optim. Calc. Var., 2 (1997), 33. doi: 10.1051/cocv:1997102. Google Scholar [18] L. Rosier, Control of the surface of a fluid by a wavemaker,, ESAIM Control Optim. Calc. Var., 10 (2004), 346. doi: 10.1051/cocv:2004012. Google Scholar [19] L. Rosier, Exact boundary controllability for the linear Korteweg-de Vries equation on the half-line,, SIAM J. Control Optim., 39 (2000), 331. doi: 10.1137/S0363012999353229. Google Scholar [20] L. Rosier and B.-Y. Zhang, Global stabilization of the generalized Korteweg-de Vries equation posed on a finite domain,, SIAM J. Control Optim., 45 (2006), 927. doi: 10.1137/050631409. Google Scholar [21] J. Simon, Compact sets in the $L^p(0,T;B)$ spaces,, Analli Mat. Pura Appl., 146 (1987), 65. Google Scholar [22] R. Temam, "Navier-Stokes Equations. Theory and Numerical Analysis,", Third edition, 2 (1984). Google Scholar [23] O. P. Vera Villagran, "Gain of Regularity of the Solutions of a Coupled System of Equations of Korteweg-de Vries Type,", Ph.D thesis, (2001). Google Scholar
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