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2012•Discrete Dynamics in Nature and SocietyOpen access

The Painlevé Tests, Bäcklund Transformation and Bilinear Form for the KdV Equation with a Self‐Consistent Source

Yali Shen, Fengqin Zhang, Xiaomei Feng

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Abstract

The Painlevé property and Bäcklund transformation for the KdV equation with a self‐consistent source are presented. By testing the equation, it is shown that the equation has the Painlevé property. In order to further prove its integrality, we give its bilinear form and construct its bilinear Bäcklund transformation by the Hirota′s bilinear operator. And then the soliton solution of the equation is obtained, based on the proposed bilinear form.

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The Painlevé property and Bäcklund transformation for the KdV equation with a self‐consistent source are presented. By testing the equation, it is shown that the equation has the Painlevé property. In order to further prove its integrality, we give its bilinear form and construct its bilinear Bäcklund transformation by the Hirota′s bilinear operator. And then the soliton solution of the equation is obtained, based on the proposed bilinear form.

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Available abstract

The Painlevé property and Bäcklund transformation for the KdV equation with a self‐consistent source are presented. By testing the equation, it is shown that the equation has the Painlevé property. In order to further prove its integrality, we give its bilinear form and construct its bilinear Bäcklund transformation by the Hirota′s bilinear operator. And then the soliton solution of the equation is obtained, based on the proposed bilinear form.

Key concepts: Korteweg–de Vries equation, Bilinear interpolation, Mathematics, Transformation (genetics), Bilinear transform, Bilinear form, Operator (biology), Property (philosophy)

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