The Yablonskii–Vorob’ev polynomials for the second Painlevé hierarchy

Maria V. Demina and Nikolai A. Kudryashov

Chaos, Solitons & Fractals, 2007, vol. 32, issue 2, 526-537

Abstract: Special polynomials associated with rational solutions of the second Painlevé equation and other equations of its hierarchy are studied. A new method, which allows one to construct each family of polynomials is presented. The structure of the polynomials is established. Formulae for their coefficients are found. The degree of every polynomial is obtained. The main achievement of the method lies in the fact that it enables one to construct the family of polynomials corresponding to any member of the second Painlevé hierarchy. Our approach can be applied for deriving the polynomials related to rational or algebraic solutions of other nonlinear differential equations.

Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:32:y:2007:i:2:p:526-537

DOI: 10.1016/j.chaos.2006.07.032

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