Stokes Phenomena in Discrete Painlevé II
arXiv:1607.04494 · doi:10.1098/rspa.2016.0539
Abstract
We consider the asymptotic behaviour of the second discrete Painlevé equation in the limit as the independent variable becomes large. Using asymptotic power series, we find solutions that are asymptotically pole-free within some region of the complex plane. These asymptotic solutions exhibit Stokes phenomena, which is typically invisible to classical power series methods. We subsequently apply exponential asymptotic techniques to investigate such phenomena, and obtain mathematical descriptions of the rapid switching behaviour associated with Stokes curves. Through this analysis, we determine the regions of the complex plane in which the asymptotic approximations are valid, and find that the behaviour of these asymptotic solutions shares a number of features with the tronquée and tri-tronquée solutions of the second continuous Painlevé equation.
arXiv comment23 pages, 8 figures
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- Trans-Series Asymptotics of Solutions to the Degenerate Painlevé III Equation: A Case Study
- Dynamics of Non-polar Solutions to the Discrete Painlevé I Equation
- Elliptic asymptotics in -discrete Painlevé equations
- On properties of a deformed Freud weight