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Results tagged with gr.group-theory
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user 141355
Questions about the branch of algebra that deals with groups.
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Generators of special linear group of a projective module over a number ring
Let $\mathcal{O}$ be the ring of integers in an algebraic number field $K$ and let $M$ be a rank-$n$ projective $\mathcal{O}$-module. By definition, this means that $M \otimes K \cong K^n$, so the au …
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