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January 30 , 2008

Asymptotic Perturbation Theory of Waves


This book is an introduction to the perturbation theory for linear and nonlinear waves in dispersive and dissipative media. The main focus is on the direct asymptotic method which is based on the asymptotic expansion of the solution in series of one or more small parameters and demanding finiteness of the perturbations; this results in slow variation of the main-order solution. The method, which does not depend on integrability of basic equations, is applied to quasi-harmonic and non-harmonic periodic waves, as well as to localized waves such as solitons, kinks, and autowaves. The basic theoretical ideas are illustrated by many physical examples throughout the book.

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  • Perturbed Oscillations and Waves: Introductory Examples
  • Perturbation Method for Quasi-Harmonic Waves
  • Perturbation Method for Non-Sinusoidal Waves
  • Nonlinear Waves of Modulation
  • Perturbation Methods for Solitary Waves and Fronts
  • Perturbed Solitons
  • Interaction and Ensembles of Solitons and Kinks
  • Dissipative and Active Systems. Autowaves

Readership: Graduate students and young researchers in nonlinear science, physicists and applied mathematicians.
Key Features:
  • Especially useful for graduate and PhD students as well as young researchers dealing with the nonlinear wave theory and its applications
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