%0 Journal Article %A Yoshimichi Ueda %T Spherical Representations of $C^*$-Flows II: Representation System and Quantum Group Setup %J Symmetry, integrability and geometry: methods and applications %D 2022 %V 18 %U http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a49/ %G en %F SIGMA_2022_18_a49