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Separate consideration of properties of roots of Third Painlev\'e transcendents (P_III-functions) is necessary due to irregularity the differential equation defining them reveals on the subset of the phase space where its solution would…

Classical Analysis and ODEs · Mathematics 2025-10-30 S. I. Tertychniy

Various properties of algebroid solutions of the degenerate third Painlev\'e equation, \begin{equation*} u^{\prime \prime}(\tau) \! = \! \frac{(u^{\prime}(\tau))^{2}}{u(\tau)} \! - \! \frac{u^{\prime}(\tau)}{\tau} \! + \! \frac{1}{\tau} \!…

Classical Analysis and ODEs · Mathematics 2023-04-13 A. V. Kitaev , A. Vartanian

In this survey, we review asymptotic results of some orthogonal polynomials which are relate to the Painlev\'e transcendents. They are obtained by applying Deift-Zhou's nonlinear steepest descent method for Riemann-Hilbert problems. In the…

Classical Analysis and ODEs · Mathematics 2016-09-15 Dan Dai

The asymptotic expansion of the Touchard polynomials $T_n(z)$ (also known as the exponential polynomials) for large $n$ and complex values of the variable $z$, where $|z|$ may be finite or allowed to be large like $O(n)$, has been recently…

Classical Analysis and ODEs · Mathematics 2016-06-29 R B Paris

Asymptotic expansions are obtained for contour integrals of the form \[ \int_a^b \exp \left( - zp(t) + z^{\nu /\mu } r(t) \right)q(t)dt, \] in which $z$ is a large real or complex parameter, $p(t)$, $q(t)$ and $r(t)$ are analytic functions…

Classical Analysis and ODEs · Mathematics 2020-03-16 Gergő Nemes

The aim of this paper is to derive new representations for the Hankel and Bessel functions, exploiting the reformulation of the method of steepest descents by M. V. Berry and C. J. Howls (Berry and Howls, Proc. R. Soc. Lond. A 434 (1991)…

Classical Analysis and ODEs · Mathematics 2014-06-18 Gergő Nemes

We derive formulas for the Reshetikhin-Turaev invariants of all oriented Seifert manifolds associated to an arbitrary complex finite dimensional simple Lie algebra $\mathfrak g$ in terms of the Seifert invariants and standard data for…

Geometric Topology · Mathematics 2007-05-23 S. K. Hansen , T. Takata

We investigate the asymptotic behavior of solutions to a class of weighted quasilinear elliptic equations which arise from the Euler--Lagrange equation associated with the Caffarelli--Kohn--Nirenberg inequality. We obtain sharp pointwise…

Analysis of PDEs · Mathematics 2024-02-23 Shaya Shakerian , Jérôme Vétois

We consider meromorphic transforms given by meromorphic kernels and study their asymptotic expansions under a certain rescaling. Under decay assumptions we establish the full asymptotic expansion in the rescaling parameter of these…

Quantum Algebra · Mathematics 2020-12-22 Jørgen Ellegaard Andersen

While real-valued solutions of the Korteweg--de Vries (KdV) equation have been studied extensively over the past 50 years, much less attention has been devoted to solution behaviour in the complex plane. Here we consider the analytic…

Exactly Solvable and Integrable Systems · Physics 2026-04-14 Scott W. McCue , Christopher J. Lustri , Daniel J. VandenHeuvel , Jocelyn Zhang , John R. King , S. Jonathan Chapman

We consider a nonlinear singularly perturbed PDE leaning on a complex perturbation parameter $\epsilon$. The problem possesses an irregular singularity in time at the origin and involves a set of so-called moving turning points merging to 0…

Complex Variables · Mathematics 2017-07-11 Alberto Lastra , Stéphane Malek

In this paper, we provide a complete Plancherel-Rotach asymptotic analysis of polynomials that satisfy a second-order difference equation with linear coefficients. According to the signs of the parameters, we classify the difference…

Classical Analysis and ODEs · Mathematics 2014-04-09 Xiang-Sheng Wang

We derive the asymptotic expansion at infinity for embedded ends of uniformly elliptic Weingarten surfaces with finite total curvature in $\mathbb{R}^3$, and we establish a maximum principle at infinity. Furthermore, we solve the Dirichlet…

Differential Geometry · Mathematics 2026-02-17 Aires E. M. Barbieri , José A. Gálvez , Yuanyuan Lian , Kai Zhang

We study the tritronqu\'{e}e solution $u(x,t)$ of the $\mathrm{P}_{\rm I}^{2}$ equation, the second member of the Painlev\'{e} I hierarchy. This solution is pole-free on the real line and has various applications in mathematical physics. We…

Classical Analysis and ODEs · Mathematics 2023-06-29 Dan Dai , Wen-Gao Long

Here we examine the number of ways to partition an integer $n$ into $k$th powers when $n$ is large. Simplified proofs of some asymptotic results of Wright are given using the saddle-point method, including exact formulas for the expansion…

Number Theory · Mathematics 2023-02-14 Cormac O'Sullivan

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

We prove an Asymptotic Implicit Function Theorem in the setting of Gevrey asymptotics with respect to a parameter. The unique implicitly defined solution admits a Gevrey asymptotic expansion and furthermore it is the Borel resummation of…

Complex Variables · Mathematics 2021-12-21 Nikita Nikolaev

We study an asymptotic behavior of solutions to elliptic equations of the second order in a two dimensional exterior domain. Under the assumption that the solution belongs to $L^q$ with $q \in [2,\infty)$, we prove a pointwise asymptotic…

Analysis of PDEs · Mathematics 2021-12-14 Hideo Kozono , Yutaka Terasawa , Yuta Wakasugi

The Tracy-Widom distribution functions involve integrals of a Painlev\'e II function starting from positive infinity. In this paper, we express the Tracy-Widom distribution functions in terms of integrals starting from minus infinity. There…

Functional Analysis · Mathematics 2009-11-13 Jinho Baik , Robert Buckingham , Jeffery DiFranco

We prove the meromorphy of solutions for a wide class of ordinary differential equations. These equations are given by invariant manifolds of non-linear partial differential equations integrable by the inverse scattering method. Some higher…

Exactly Solvable and Integrable Systems · Physics 2022-02-16 A. V. Domrin , M. A. Shumkin , B. I. Suleimanov