id author title date pages extension mime words sentence flesch summary cache txt fb494745j80 Timothy Campion Free Duals and a New Universal Property for Stable Equivariant Homotopy Theory 2022 .txt text/plain 97 3 36 In this thesis, I study the left adjoint D to the forgetful functor from the ∞-category of symmetric monoidal ∞-categories with duals and finite colimits to the ∞-category of symmetric monoidal ∞-categories with finite colimits, and related free constructions. As an application, I show that, for any compact Lie group G, the ∞-category of genuine G-spectra is obtained from the ∞-category of naive G-spectra by freely adjoining duals for compact objects, while respecting colimits. cache/fb494745j80.txt txt/fb494745j80.txt