English

A note on internality of certain differential systems

Classical Analysis and ODEs 2026-02-11 v2 Commutative Algebra

Abstract

We prove two results, generalizing certain theorems by Jin and Moosa, on the internality of the system of differential equations \begin{equation*} \begin{aligned} x' &= f(x)\\ y' &= g(x)y,\\ \end{aligned} \end{equation*}where ff and gg are rational functions in one variable.

Cite

@article{arxiv.2509.02439,
  title  = {A note on internality of certain differential systems},
  author = {Partha Kumbhakar and Varadharaj Ravi Srinivasan},
  journal= {arXiv preprint arXiv:2509.02439},
  year   = {2026}
}

Comments

6 pages. Revised version with minor corrections and additional references. Accepted for publication in Canadian Mathematical Bulletin

R2 v1 2026-07-01T05:17:34.799Z