算子直和的约化子空间和P－F定理

The Reducible Operator and P-F Theorems

讨论了Ｈ１Ｈ２上算子的约化子空间的形式以及它与Ｐ－Ｆ定理的关系，对由此引出的两类问题进行了深入的讨论．

In this paper,the author study the Putnam-Fuglede Theorem from the view of the operetor on Hilbert space H H with reducible subspaceH with reducible subspace.