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The second Painlev\'e equation with a large parameter ($P_{II}$) is analyzed by using the exact WKB analysis. The purpose of this study is to investigate the problem of the degeneration of $P$-Stokes geometry of ($P_{II}$), which relates to…

Classical Analysis and ODEs · Mathematics 2015-03-19 Kohei Iwaki

The WKB theoretic transformation theorem established in [KT2] implies that the first Painleve equation gives a normal form of Painleve equations with a large parameter near a simple P-turning point. In this paper we extend this result and…

Classical Analysis and ODEs · Mathematics 2014-10-27 Kohei Iwaki

The aim of this paper is to study the resurgent transseries structure of the inhomogeneous and $q$-deformed Painlev\'e II equations. Appearing in a variety of physical systems we here focus on their description of $(2,4)$-super minimal…

High Energy Physics - Theory · Physics 2023-11-07 Roberto Vega

We study the full asymptotic expansion of the monodromy data ({\it i.e.}, Stokes multipliers) for the first Painlev\'{e} transcendent (PI) with large initial data or large pole parameters. Our primary approach involves refining the complex…

Exactly Solvable and Integrable Systems · Physics 2025-01-23 Wen-Gao Long , Yun-Jiang Jiang , Yu-Tian Li

In this paper, we study the asymptotic behavior and connection problem of Painlev\'e I (PI) equation through a detailed analysis of the Stokes multipliers associated with its solutions. Focusing on the regime where the derivative at the…

Classical Analysis and ODEs · Mathematics 2025-06-05 Yan Huang , Yu-Tian Li , Wen-Gao Long

We show that a 2-parameter family of $\tau$-functions for the first Painlev\'e equation can be constructed by the discrete Fourier transform of the topological recursion partition function for a family of elliptic curves. We also perform an…

Mathematical Physics · Physics 2020-06-24 Kohei Iwaki

In this paper, we compute the Stokes matrices of a special quantum confluent hypergeometric system with Poincar\'e rank one. The sources of the interests in the Stokes phenomenon of such system are from representation theory and the theory…

Classical Analysis and ODEs · Mathematics 2024-01-26 Jinghong Lin , Xiaomeng Xu

Resurgent transseries have recently been shown to be a very powerful construction in order to completely describe nonperturbative phenomena in both matrix models and topological or minimal strings. These solutions encode the full…

High Energy Physics - Theory · Physics 2015-06-15 Ricardo Schiappa , Ricardo Vaz

This paper studies the space of monodromy data of second order $q$-difference equations through the framework of WKB analysis. We compute the connection matrices associated to the Stokes phenomenon of WKB wavefunctions and develop a general…

Mathematical Physics · Physics 2024-06-04 Fabrizio Del Monte , Pietro Longhi

We consider the asymptotic behaviour of the second discrete Painlev\'{e} 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…

Exactly Solvable and Integrable Systems · Physics 2017-03-03 Nalini Joshi , Christopher Lustri , Steven Luu

In this paper, we study the isomonodromy deformation equations for the $n\times n$ system of first order meromorphic linear ordinary differential equations with two second order poles. We analyze the asymptotic behaviour of the solutions at…

Classical Analysis and ODEs · Mathematics 2025-12-23 Zikang Wang , Xiaomeng Xu

A multidomain spectral approach for Painlev\'e transcendents on unbounded domains is presented. This method is designed to study solutions determined uniquely by a, possibly divergent, asymptotic series valid near infinity in a sector and…

Classical Analysis and ODEs · Mathematics 2018-07-13 Christian Klein , Nikola Stoilov

We calculate the instanton corrections to energy spectra of one-dimensional quantum mechanical oscillators to all orders and unify them in a closed form transseries description. Using alien calculus, we clarify the resurgent structure of…

High Energy Physics - Theory · Physics 2024-04-17 Alexander van Spaendonck , Marcel Vonk

A one-parameter family of trans-series asymptotics of solutions to the Degenerate Painlev\'{e} III Equation (DP3E) are parametrised in terms of the monodromy data of an associated two-by-two linear auxiliary problem via the isomonodromy…

Classical Analysis and ODEs · Mathematics 2025-08-15 A. Vartanian

In this paper, we revisit the asymptotic formulas of real Painlev\'e I transcendents as the independent variable tends to negative infinity, which were initially derived by Kapaev with the complex WKB method. Using the Riemann-Hilbert…

Classical Analysis and ODEs · Mathematics 2024-09-06 Wen-Gao Long , Jun Xia

This article studies a confluence of a pair of regular singular points to an irregular one in a generic family of time-dependent Hamiltonian systems in dimension 2. This is a general setting for the understanding of the degeneration of the…

Classical Analysis and ODEs · Mathematics 2017-09-27 Martin Klimes

We consider the asymptotic behaviour of solutions of the first $q$-difference Painlev\'{e} equation in the limits $|q|\rightarrow 1$ and $n\rightarrow\infty$. Using asymptotic power series, we describe four families of solutions that…

Mathematical Physics · Physics 2018-12-12 Nalini Joshi , Christopher Lustri , Steven Luu

In this study, we consider the asymptotic behaviour of the first discrete Painlev\{e} equation in the limit as the independent variable becomes large. Using an asymptotic series expansion, we identify two types of solutions which are…

Mathematical Physics · Physics 2015-08-19 N. Joshi , C. J. Lustri

We study N = 2 supersymmetric gauge theories with gauge group SU(2) coupled to fundamental flavours, covering all asymptotically free and conformal cases. We re-derive, from the conformal field theory perspective, the differential equations…

High Energy Physics - Theory · Physics 2016-08-24 Sujay K. Ashok , Dileep P. Jatkar , Renjan R. John , Madhusudhan Raman , Jan Troost

We consider a 3-dimensional Pfaffian system, whose z-component is a differential system with irregular singularity at infinity and Fuchsian at zero. In the first part of the paper, we prove that its Frobenius integrability is equivalent to…

Classical Analysis and ODEs · Mathematics 2021-11-04 Gabriele Degano , Davide Guzzetti
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