Cubes from products of terms in progression with one term missing
Number Theory
2025-12-22 v1
Abstract
Let and be integers. We determine all solutions to the equation \begin{align*} n(n+d)(n+2d)\cdots(n+(i-1)d)(n+(i+1)d) \cdots (n+(k-1)d) = y^3 \end{align*} in integers with , , and . Our method relies on the theory of elliptic curves, including elliptic curve Chabauty over a number field. As an application, we answer a question of Das, Laishram, Saradha, and Sharma concerning rational points on a certain superelliptic curve.
Keywords
Cite
@article{arxiv.2512.17821,
title = {Cubes from products of terms in progression with one term missing},
author = {Kyle Pratt},
journal= {arXiv preprint arXiv:2512.17821},
year = {2025}
}
Comments
13 pages