Geodesic
RATIONAL LOCAL SYSTEMS AND CONNECTED FINITE LOOP SPACES
Glasgow mathematical journal, Tome 64 (2022) no. 1, pp. 136-164

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DOI

Greenlees has conjectured that the rational stable equivariant homotopy category of a compact Lie group always has an algebraic model. Based on this idea, we show that the category of rational local systems on a connected finite loop space always has a simple algebraic model. When the loop space arises from a connected compact Lie group, this recovers a special case of a result of Pol and Williamson about rational cofree G-spectra. More generally, we show that if K is a closed subgroup of a compact Lie group G such that the Weyl group WGK is connected, then a certain category of rational G-spectra “at K” has an algebraic model. For example, when K is the trivial group, this is just the category of rational cofree G-spectra, and this recovers the aforementioned result. Throughout, we pay careful attention to the role of torsion and complete categories. 
HEARD, DREW. RATIONAL LOCAL SYSTEMS AND CONNECTED FINITE LOOP SPACES. Glasgow mathematical journal, Tome 64 (2022) no. 1, pp. 136-164. doi: 10.1017/S0017089520000658
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