Author: zskoda Format: MarkdownItexI have corrected the statement about the diagonal matrices forming the center: an additional condition is necessary, for example that the ring is an algebraically closed field (Schur lemma).
<a href="https://ncatlab.org/nlab/revision/diff/diagonal+matrix/8">diff</a>, <a href="https://ncatlab.org/nlab/revision/diagonal+matrix/8">v8</a>, <a href="https://ncatlab.org/nlab/show/diagonal+matrix">current</a>
I have corrected the statement about the diagonal matrices forming the center: an additional condition is necessary, for example that the ring is an algebraically closed field (Schur lemma).