Maximality and symmetry related to the \(2\)-adic ring \(C^*\)-algebra

Dolapo Oyetunbi, Dilian Yang

The 2-adic ring $C^{\ast }$-algebra ${\mathcal{Q}}_2$ is the universal $C^{\ast }$-algebra generated by a unitary and an isometry satisfying certain relations. It contains a canonical copy of th…