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Analytical Approach to (2+1)-Dimensional Boussinesq Equation and (3+1)-Dimensional Kadomtsev-Petviashvili Equation

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Analytical Approach to (2+1)-Dimensional Boussinesq Equation and (3+1)-Dimensional Kadomtsev-Petviashvili Equation

Selin Sarıaydın and Ahmet Yıldırım

Ege University, Department of Mathematics, 35100 Bornova-˙Izmir, Turkey Reprint requests to S. S.; E-mail: selin.sariaydin@gmail.com

Z. Naturforsch.65a,411 – 417 (2010); received August 5, 2009

In this paper, we studied the solitary wave solutions of the (2+1)-dimensional Boussinesq equation utt−uxx−uyy(u2)xx−uxxxx=0 and the (3+1)-dimensional Kadomtsev-Petviashvili (KP) equation uxt6ux2+6uuxx−uxxxx−uyy−uzz=0. By using this method, an explicit numerical solution is calculated in the form of a convergent power series with easily computable components. To illustrate the application of this method numerical results are derived by using the calculated components of the homotopy perturbation series. The numerical solutions are compared with the known analytical solutions. Results derived from our method are shown graphically.

Key words:(2+1)-Dimensional Boussinesq Equation; (3+1)-Dimensional Kadomtsev-Petviashvili Equation; Solitary Wave Solutions; Maple Software Package.

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