Operators and Matrices · Volume 12, Issue 1 The Shilov boundary for a q-analog of the holomorphic functions on the unit ball of 2 × 2 symmetric matrices 12-04 Pages 39-53 DOI 10.7153/oam-2018-12-04 Downloads Short PDF Full PDF PNG Authors Jimmy Johansson L. Turowska Keywords Hopf algebra ✱-algebra representation complete contraction Subject classes 17B37 20G42 46L07