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Solitons in the presence of a small,slowly varying perturbation |
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| Authors: | Timur Mashkin |
| Institution: | 1. Mathematisches Institut, Universit?t zu K?ln, K?ln, Germany tmashkin@math.uni-koeln.de |
| Abstract: | |
| Keywords: | Solitons symplectic decomposition modulation equations Lyapunov function sine-Gordon equation |