Endomorphisms of the 2-adic ring $C^{\ast }$-algebra and its Weyl group

Dolapo Oyetunbi, Dilian Yang

In this paper, we establish a one-to-one correspondence between a natural monoid and the endomorphisms of the $2$-adic ring $C^{\ast }$-algebra ${\mathcal{Q}}_2$. As a consequence, we clas…