Some new results in spectral and scattering theory of differential operators on
S. Agmon (1978-1979)
Séminaire Équations aux dérivées partielles (Polytechnique)
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S. Agmon (1978-1979)
Séminaire Équations aux dérivées partielles (Polytechnique)
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White, Denis A.W. (1992)
International Journal of Mathematics and Mathematical Sciences
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Mustapha Mokhtar-Kharroubi, Mohamed Chabi, Plamen Stefanov (1997)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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Demontis, Francesco, der Mee, Cornelis van (2010)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: Primary: 34L25; secondary: 47A40, 81Q10. In this article we prove that the wave operators describing the direct scattering of the defocusing matrix Zakharov-Shabat system with potentials having distinct nonzero values with the same modulus at ± ∞ exist, are asymptotically complete, and lead to a unitary scattering operator. We also prove that the free Hamiltonian operator is absolutely continuous.
Günter Stolz, Thomas Poerschke (1993)
Mathematische Zeitschrift
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R. Weder (1994-1995)
Séminaire Équations aux dérivées partielles (Polytechnique)
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Sevdzhan Hakkaev (2004)
Applicationes Mathematicae
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We study the decay in time of solutions of a symmetric regularized-long-wave equation and we show that under some restriction on the form of nonlinearity, the solutions of the nonlinear equation have the same long time behavior as those of the linear equation. This behavior allows us to establish a nonlinear scattering result for small perturbations.