An algebraic model for rational toral G-spectra

Abstract

For G a compact Lie group, toral G-spectra are those rational G-spectra whose geometric isotropy consists of subgroups of a maximal torus of G. The homotopy category of rational toral G-spectra is a retract of the category of all rational G-spectra. In this paper we show that the abelian category defined by the second author in previous work gives an algebraic model for the toral part of rational G-spectra. This is a major step in establishing an algebraic model for all rational G-spectra, for any compact Lie group G.

arXiv comment43 pages, final version. To appear in A&GT

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• The Left Localization Principle, completions, and cofree $G$-spectra