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Results tagged with algebraic-k-theory
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user 102922
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votes
When is $GL_m(R)$ generated by elementary and diagonal matrices?
If $D$ is a field then every matrix of $\mathrm{SL}_m(R)$ can be written as product of elementary matrices for $m$ not equal to 2, because for $m=2$ Cohn gives an example which contradict this result. …
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