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Abstract Chapter 1 introduces the work contained in the thesis providing a brief explanation of some physical expressions. Chapter 2 presents a study of the Impact of dust kinematic viscosity on the breathers and rogue waves in electron depleted dusty plasma having two super-thermal ions of different temperature. Using the reduction perturbation method, the waves propagation is studied without taking into account the viscosity effect, deducing the standard nonlinear Schrödinger equation. Studying the effect of physical parameters on rogue waves structure. The Schrödinger equation is studied numerically dissipated under the influence of viscosity. And finally, a summarized discussion is displayed. |