2007
DOI: 10.1016/j.chaos.2006.03.057
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Hamiltonian formulation, nonintegrability and local bifurcations for the Ostrovsky equation

Abstract: The Ostrovsky equation is a model for gravity waves propagating down a channel under the influence of Coriolis force. This equation is a modification of the famous Korteweg-de Vries equation and is also Hamiltonian. However the Ostrovsky equation is not integrable and in this contribution we prove its nonintegrability. We also study local bifurcations of its solitary waves.MSC: 35Q35, 35Q53, 37K10

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Cited by 18 publications
(11 citation statements)
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References 27 publications
(34 reference statements)
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“…Note also, that there is no second Hamiltonian formulation for the Ostrovsky equation, compatible with the one given above, i.e. the equation is not bi-Hamiltonian -indeed (41) is not completely integrable for γ = 0, [7].…”
Section: Conservation Laws and Perturbed Soliton Equationsmentioning
confidence: 98%
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“…Note also, that there is no second Hamiltonian formulation for the Ostrovsky equation, compatible with the one given above, i.e. the equation is not bi-Hamiltonian -indeed (41) is not completely integrable for γ = 0, [7].…”
Section: Conservation Laws and Perturbed Soliton Equationsmentioning
confidence: 98%
“…The quantities R ± (k) = b(±k)/a(k) are known as reflection coefficients (to the right with superscript (+) and to the left with superscript (−) respectively). It is sufficient to know R ± (k) only on the half line k > 0, since from (7): R ± (−k) =R ± (k) and also (7) |a(k)…”
Section: Direct Scattering Transform and Scattering Datamentioning
confidence: 99%
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“…While both the SPE the mKdV equation are integrable [1,25] so associated with them are an infinite number of conserved quantities, the arguments in [10,5] show that the α term in the RSPE destroys the integrable structure. Nevertheless there are conserved quantities associated with (1.2).…”
Section: Conserved Quantities and Hamiltonian Formulationmentioning
confidence: 99%
“…One of the main concerns regarding Equation was to determine the existence of solitary wave solutions and its stability. Serval contributions have been devoted to treat with this problem (see and the references therein). It is worth mentioning that Levandosky and Liu considered a generalized Ostrovsky equation (tux3u+x(f(u)))x=γu,1emxR,2.56804pttR. They investigated the stability of solitary wave solutions of .…”
Section: Introductionmentioning
confidence: 99%