Journal of Operator Theory, Vol. 64, No. 2 (Fall 2010), pp. 265-298 (34 pages) We prove some noncommutative analogues of a theorem proved by Plotkin and Rudin about isometries between subspaces of ...

In this paper, we study similarity, unitary equivalence and reducing subspace problems of multiplication operators with symbols of finite Blaschke products on the Bergman space ...