Abstract
In this paper we study the Cauchy problem for the generalized Boussinesq equation with initial data in modulation spaces \(M^{s}_{p^\prime ,q}(\mathbb {R}^n),\) \(n\ge 1.\) After a decomposition of the Boussinesq equation in a \(2\times 2\)-nonlinear system, we obtain the existence of global and local solutions in several classes of functions with values in \( M^s_{p,q}\times D^{-1}JM^s_{p,q}\)-spaces for suitable p, q and s, including the special case \(p=2,q=1\) and \(s=0.\) Finally, we prove some results of scattering and asymptotic stability in the framework of modulation spaces.
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Acknowledgements
The second author was supported by the Vicerrectoría de Investigación y Extensión-UIS and Fondo Nacional de Financiamiento para la Ciencia, la Tecnología y la Innovación Francisco José de Caldas, contrato Colciencias FP 44842-157-2016.
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Banquet, C., Villamizar-Roa, É.J. Existence Theory for the Boussinesq Equation in Modulation Spaces. Bull Braz Math Soc, New Series 51, 1057–1082 (2020). https://doi.org/10.1007/s00574-019-00188-3
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DOI: https://doi.org/10.1007/s00574-019-00188-3