On $q$-tensor product of Cuntz algebras

Alexey Kuzmin, Vasyl Ostrovskyi, Danylo Proskurin +1

We consider $C^{\ast }$-algebra ${\mathcal{E}}_{n,m}^q$, which is a $q$-twist of two Cuntz-Toeplitz algebras. For the case $|q|<1$ we give an explicit formula, which untwists the $q$-defor…