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Results tagged with algebraic-groups
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user 120914
Algebraic varieties with group operations given by morphisms, or group objects in the category of algebraic varieties, the category of algebraic schemes, or closely related categories.
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Presentation of special linear group over localizations of the integers
In my recent paper (arXiv:2401.08146), I give a new presentation for $\operatorname{SL}_2(\mathbf{Z}[\frac{1}{2}])$. This group is generated by the two matrices
$$
A = \begin{pmatrix}1 & 0 \\ 1 & 1\en …
