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Results tagged with involutions
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user 22709
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Involution of $E_{8}$ lattice
c) As Noam pointed out there is indeed a class of involutions where both invariants and coinvariants are $D_4$. … He was too humble to link to his previous post where he gives different explicit descriptions of this involutions, so I will fill in this gap: A question on an involution of $E_8$ lattice
Hope that helps …
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