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Results tagged with algebraic-groups
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user 496679
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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Accepted
Centralizer of a reductive subgroup
$\DeclareMathOperator\GL{GL}$No. Take $H=\GL_2$ embedded diagonally into $G=\GL_2\times \GL_2$ and take
$\rho$ equal to $\mathbb C^2 \otimes (\mathbb C^2)^*$ with the natural action of $\GL_2$ on $\ma …
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