变形变换——一种降低微分方程阶数的积分变换
偏微分方程分析
2023-01-26 v3 数学物理
math.MP
摘要
我们提出一种称为变形变换(metamorphism)的积分变换,它使我们能够降低微分方程的阶数。例如,二阶 Helmholtz 方程被变换为一阶方程,该方程可通过特征线法求解。
引用
@article{arxiv.2105.12079,
title = {Metamorphism -- an Integral Transform Reducing the Order of a Differential Equation},
author = {Vladimir V. Kisil},
journal= {arXiv preprint arXiv:2105.12079},
year = {2023}
}
备注
11 pages in AMS-LaTeX, 2 PDF images in one figure; v2: numerous minor improvements, v3: minor correction, a reference added