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Results tagged with gr.group-theory
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user 4096
Questions about the branch of algebra that deals with groups.
1
vote
1
answer
446
views
eigen-bundles of a trivial vector bundle
Suppose I have a trivial vector bundle $V\cong \mathcal{O}_C^{\oplus s} \rightarrow C$ on an algebraic variety $C$, and suppose furthermore that I have an action $\mu$ of a cyclic finte group $G$ on t …
- 3,779
6
votes
1
answer
1k
views
orthogonal group in characteristic 2
Let $O(2,\mathbb{Z}_2)$ be the orthogonal group of order two matrices. On $\mathbb{Z}_2$ there should exist just one odd quadratic form, hence the stabilizer subgroup $O^-$ of an odd quadratic for sho …
- 3,779