Derivation of Generalized Camassa-Holm Equations from Boussinesq-type Equations
نویسندگان
چکیده
منابع مشابه
Generic Regularity of Conservative Solutions to Camassa-Holm Type Equations
This paper mainly proves the generic properties of the Camassa-Holm equation and the two-component Camassa-Holm equation by Thom’s transversality Lemma. We reveal their differences in generic regularity and singular behavior.
متن کاملWell-posedness of modified Camassa–Holm equations
Article history: Received 4 April 2008 Revised 11 January 2009 Available online 28 February 2009
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The squared eigenfunctions of the spectral problem associated with the CamassaHolm (CH) equation represent a complete basis of functions, which helps to describe the inverse scattering transform for the CH hierarchy as a generalized Fourier transform (GFT). All the fundamental properties of the CH equation, such as the integrals of motion, the description of the equations of the whole hierarchy...
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We rigorously establish that, in the long-wave regime characterized by the assumptions of long wavelength and small amplitude, bidirectional solutions of the improved Boussinesq equation tend to associated solutions of two uncoupled Camassa-Holm equations. We give a precise estimate for approximation errors in terms of two small positive parameters measuring the effects of nonlinearity and disp...
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We consider higher-order Camassa–Holm equations describing exponential curves of the manifold of smooth orientation preserving diffeomorphisms of the unit circle in the plane. We establish the existence of a strongly continuous semigroup of global weak solutions. We also present some invariant spaces under the action of that semigroup. Moreover, we prove a “weak equals strong” uniqueness result.
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ژورنال
عنوان ژورنال: Journal of Nonlinear Mathematical Physics
سال: 2021
ISSN: 1776-0852
DOI: 10.1080/14029251.2016.1199493