Dilations of unitary tuples

Malte Gerhold, Satish K. Pandey, Orr Shalit +1

We study the space of all $d$-tuples of unitaries $u=(u_1,\dots ,u_d)$ using dilation theory and matrix ranges. Given two $d$-tuples $u$ and $v$ generating C*-algebras $\mathcal A…