English

General Solutions of the Second-Kind Abel Equation

General Mathematics 2026-01-22 v3

Abstract

The general solutions with free variable to the second-kind Abel equation, a nonlinear ordinary differential equation that has remained unsolved for nearly two centuries, are presented for the first time by using elementary quadrature method.

Keywords

Cite

@article{arxiv.2512.20656,
  title  = {General Solutions of the Second-Kind Abel Equation},
  author = {Ji-Xiang Zhao},
  journal= {arXiv preprint arXiv:2512.20656},
  year   = {2026}
}

Comments

In both v1 and v2, Theorem 1 is incorrect, so I have decided to withdraw this article

R2 v1 2026-07-01T08:39:04.851Z