2011
DOI: 10.4171/pm/1892
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On the stabilization and controllability for a third order linear equation

Abstract: We analyze the stabilization and the exact controllability of a third order linear equation in a bounded interval. That is, we consider the following equation:where u ¼ uðx; tÞ is a complex valued function defined in ð0; LÞ Â ð0; þlÞ and a, b and g are real constants. Using multiplier techniques, HUM method and a special uniform continuation theorem, we prove the exponential decay of the total energy and the boundary exact controllability associated with the above equation. Moreover, we characterize a set of l… Show more

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Cited by 4 publications
(5 citation statements)
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“…Taking into account the work of Silva-Vasconcellos [10], we begin by analysing existence, uniqueness, regularity of solutions and exponential decay of the energy associated to the following system:…”
Section: The Linear Systemmentioning
confidence: 99%
See 2 more Smart Citations
“…Taking into account the work of Silva-Vasconcellos [10], we begin by analysing existence, uniqueness, regularity of solutions and exponential decay of the energy associated to the following system:…”
Section: The Linear Systemmentioning
confidence: 99%
“…We use semigroups theory to prove the existence and uniqueness and to show regularity of solutions we consider the multipliers techniques. The items i), ii), iii) and the dissipation law follow as in Silva-Vasconcellos [10], considering there the parameter γ = 0.…”
Section: The Linear Systemmentioning
confidence: 99%
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“…then the L 2 −norm of the solution does not necessarily decay to zero. Here N is the set of critical lengths in the context of exact boundary controllability for the HLS (see [10,14] for the derivation of this set of critical lengths). For instance choosing the coefficients β = 1, α = 2 and δ = 8 with k = 1 and l = 2, we obtain L = π ∈ N .…”
Section: Introductionmentioning
confidence: 99%
“…The price to be paid is the lack of any Kato smoothing effect (the system being conservative), which makes the extension of the control results to the nonlinear Boussinesq system more delicate than for KdV. We refer the reader to [7,8,9,10,11,12,13,16,18,19,20,21,27,29,30,31,32,33] for the control and stabilization of KdV, and [14,15,17] for the critical lengths concerning some other dispersive equations.…”
mentioning
confidence: 99%