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Difference between revisions of "Semi-simple ring"

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A ring <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s084/s084410/s0844101.png" /> with zero radical. More precisely, if <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s084/s084410/s0844102.png" /> is some radical (see [[Radical of rings and algebras|Radical of rings and algebras]]), then the ring <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s084/s084410/s0844103.png" /> is called <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s084/s084410/s0844105.png" />-semi-simple if <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s084/s084410/s0844106.png" />. Frequently, by an associative semi-simple ring one understands a [[Classical semi-simple ring|classical semi-simple ring]].
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A ring $A$ with zero radical. More precisely, if $\mathcal{R}$ is some radical (see [[Radical of rings and algebras]]), then the ring $A$ is called $\mathcal{R}$-semi-simple if $\mathcal{R}(A) = 0$. Frequently, by an associative semi-simple ring one understands a [[classical semi-simple ring]].
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[[Category:Associative rings and algebras]]

Latest revision as of 19:41, 19 October 2014

A ring $A$ with zero radical. More precisely, if $\mathcal{R}$ is some radical (see Radical of rings and algebras), then the ring $A$ is called $\mathcal{R}$-semi-simple if $\mathcal{R}(A) = 0$. Frequently, by an associative semi-simple ring one understands a classical semi-simple ring.

How to Cite This Entry:
Semi-simple ring. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Semi-simple_ring&oldid=17303
This article was adapted from an original article by L.A. Skornyakov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article