The homotopy groups of the automorphism groups of Cuntz-Toeplitz algebras
21 Mar 2019
·
Sogabe Taro·
The Cuntz-Toeplitz algebra $E_{n+1}$ for $n\geq1$ is the universal C*-algebra
generated by $n+1$ isometries with mutually orthogonal ranges. In this paper,
we investigate the automorphism groups of the Cuntz-Toeplitz algebras and
determine their homotopy groups.