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Bibliographic Details
Main Author: Grinberg, Darij
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2604.13911
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Table of Contents:
  • Let $A$ be a commutative ring with unity, and $M$ a finitely generated $A$-module. In 1971, Morris Orzech showed that any surjective $A$-module homomorphism from a submodule of $M$ to $M$ must be an isomorphism. We give a constructive proof of this fact using the Cayley--Hamilton theorem.