关于广义Freud权正交多项式的渐近性及其在Painlevé-IV特殊函数解中的应用
经典分析与常微分方程
2024-06-25 v2 数学物理
复变函数
math.MP
摘要
我们求出了满足正交关系 的多项式的渐近性,其中复参数位于所谓的双割线区域内。作为应用,我们推导出了Painlevé-IV某些解族的渐近公式,这些解族由非负整数索引,并可用抛物柱面函数表示。证明基于正交多项式的Riemann-Hilbert问题刻画以及Deift-Zhou非线性最速下降法。
引用
@article{arxiv.2312.11294,
title = {Asymptotics of Polynomials Orthogonal With Respect to a Generalized Freud Weight With Application to Special Function Solutions of Painlev\'e-IV},
author = {Ahmad Barhoumi},
journal= {arXiv preprint arXiv:2312.11294},
year = {2024}
}
备注
Updated version: 42 pages, 6 figures. The focus of the manuscript was revised and content rearranged. The title and abstract were updated accordingly. Various typos/errors were corrected