Asymptotics of Solutions of the Discrete String Equation
V. L. Vereschagin
Abstract
The main subject of the paper is the so-called Discrete Painlevé-1 Equation (DP1). Solutions of DP1 are classified under criterion of their behavior while argument tends to infinity. The Isomonodromic Deformations Method yields asymptotic formulae for regular solutions of DP1. DP1 is an integrable system, what allows to develop appropriate Whitham theory. Asymptotics of singular solutions of DP1 are calculated by using the Whitham method.
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