The completely bounded unital contraction conjecture for operator algebras
Let A⊂B(H)A\subset B(\mathcal H)A⊂B(H) be a unital operator algebra. Let θ:A→Mn(C)\theta:A\to M_n(\mathbb{C})θ:A→Mn(C) be a unital completely bounded homomorphism, and let α:A→A\alpha:A\to Aα:A→A be a unital antili…