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Rational G-spectra over blocks with finite Weyl groups
Published 11 Aug 2025 in math.AT | (2508.07752v1)
Abstract: We show that for any clopen collection X of subgroups of G with finite Weyl groups, the category of G-spectra with geometric isotropy in X is equivalent to the category of equivariant sheaves over X. This gives an algebraic model of injective dimension at most the rank of G.
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