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A Comparison of Takai and Treumann Dualities
- Publication Year :
- 2024
-
Abstract
- We prove a comparison result between two duality statements - Takai duality, which is implemented by the crossed product functor $- \rtimes G: KK^{G} \to KK^{\hat G}$ on equivariant Kasparov categories; and Treumann duality, which asserts the existence of an exotic equivalence of stable $\infty$-categories $\text{Mod}(KU_p[G])^{ft} \simeq \text{Mod}(KU_p[\hat G])^{ft}$ given by tensoring with a particular $(G,\hat G)$-bimodule $M_E$ and $p$-completing.<br />Comment: 35 pages
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2406.13212
- Document Type :
- Working Paper