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A Constructive Proof for the Umemura Polynomials of the Third Painlevé Equation
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We are concerned with the Umemura polynomials associated with rational solutions of the third Painlevé equation. We extend Taneda's method, which was developed for the Yablonskii-Vorob'ev polynomials associated with the second Painlevé equation, to give an algebraic proof that the rational functions generated by the nonlinear recurrence relation which determines the Umemura polynomials are indeed polynomials. Our proof is constructive and gives information about the roots of the Umemura polynomials.
SIGMA (Symmetry, Integrability and Geometry: Methods and Application)
Title: A Constructive Proof for the Umemura Polynomials of the Third Painlevé Equation
Description:
We are concerned with the Umemura polynomials associated with rational solutions of the third Painlevé equation.
We extend Taneda's method, which was developed for the Yablonskii-Vorob'ev polynomials associated with the second Painlevé equation, to give an algebraic proof that the rational functions generated by the nonlinear recurrence relation which determines the Umemura polynomials are indeed polynomials.
Our proof is constructive and gives information about the roots of the Umemura polynomials.
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