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Original Articles

On Radicals of Semirings and Related Problems

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Pages 5065-5099 | Received 07 Jun 2012, Published online: 09 Jun 2014
 

Abstract

We develop an “external” Kurosh–Amitsur radical theory of semirings and obtain some fundamental results regarding the Jacobson and Brown–McCoy radicals of hemirings. Among others, we single out the following central results: characterizations and descriptions of semisimple hemirings; semiring versions of the classical Nakayama's and Hopkins's Lemmas and Jacobson–Chevalley Density Theorem; the fundamental relationship between the radicals of hemirings R and matrix hemirings M n (R); the matric-extensibleness (see, e.g., [4, Section 4.9]) of the radical classes of hemirings; the Morita invariance of the Jacobson– and Brown–McCoy-semisimplicity of semirings.

2010 Mathematics Subject Classification:

ACKNOWLEDGMENT

The authors would like to take an opportunity to express their deep gratitude to the anonymous referee for an extremely professional reading of our article and a number of valuable suggestions.

Notes

Communicated by I. Shestakov.

Dedicated to Prof. R. Wiegandt on the occasion of his 80th birthday

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