On Distinguishing Local Finite Rings from Finite Rings Only by Counting Elements and Zero Divisors

Authors

  • Marcos José González Departamento de Matemáticas Universidad Simón Bolívar Apartado Postal 89000 Caracas 1080-A Venezuela

Keywords:

Finite ring, Zero-divisor, Local rings

Abstract

Thepurposeof this shortcommunication is to prove thefollowing: {\emLet$R$ be a finite associativeringwith unit. Then$R$ is local if and only if $|R| = p^n$ and $|Z(R)| = p^m$for some prime number$p$ and integers$1\leq m <n$}.  Forthecommutative case, this havebeenrecentlydiscovered byBehboodi and Beyranvand\cite[Theorem~3]{bb}. Wewill also presentyetanother proof for thecommutative case.

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Published

2014-01-29

Issue

Section

Mathematical and Fuzzy Logic

How to Cite

On Distinguishing Local Finite Rings from Finite Rings Only by Counting Elements and Zero Divisors. (2014). European Journal of Pure and Applied Mathematics, 7(1), 109-113. https://www.ejpam.com/index.php/ejpam/article/view/1802

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