Apr 20'25

Exercise

[math] \newcommand{\mathds}{\mathbb}[/math]

Work out the Tannakian duality for the closed subgroups

[[math]] G\subset U_N [[/math]]

whose fundamental representation is self-adjoint, up to equivalence,

[[math]] u\sim\bar{u} [[/math]]

first as a consequence of the results that we have, and then independently.