Abstract
The Cuntz–Toeplitz algebra $E_{n+1}$ for $n \geq 1 $ is the universal C*-algebra generated by $n + 1$ isometries with mutually orthogonal ranges. In this paper, we determine the homotopy groups of the automorphism group of $E_{n+1}$.
Citation
Taro SOGABE. "The homotopy groups of the automorphism groups of Cuntz–Toeplitz algebras." J. Math. Soc. Japan 72 (3) 959 - 989, July, 2020. https://doi.org/10.2969/jmsj/82338233
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