ALGEBRAIC PAIRS OF ISOMETRIES

作者:Agler Jim*; Knese Greg; Mccarthy John E
来源:Journal of Operator Theory, 2012, 67(1): 215-236.

摘要

We consider pairs of commuting isometrics that are annihilated by a polynomial. We show that the polynomial must be inner toral, which is a geometric condition on its zero set. We show that cyclic pairs of commuting isometrics are nearly unitarily equivalent if they are annihilated by the same minimal polynomial.

  • 出版日期2012