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HicEtNunc
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A weird action of SL_3 on a pair of lines
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A weird action of SL_3 on a pair of lines
Thank you for your comment. In fact that's what I did, but it doesn't seem very enlightening, I expected to spot two copies of SL2 (or a subset of SL2 x SL2) but I don't really manage...
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A weird action of SL_3 on a pair of lines
Of course I can construct myself the stabilizer, I was just wondering if it has (i.e. someone sees) different presentation than the trivial one.
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A weird action of SL_3 on a pair of lines