Using the technique of annihilators, we characterize the w^*-closure of the finite-partition submodule R(N, ~) of a weakly closed nest algebra module U completely; and by virtue of this characterization, we obtain...Using the technique of annihilators, we characterize the w^*-closure of the finite-partition submodule R(N, ~) of a weakly closed nest algebra module U completely; and by virtue of this characterization, we obtain a sufficient and necessary condition for U to have a maximal w^*-closed submodule.展开更多
基金Project partially supported by the National Natural Science Foundation of China(No.10401030)the Zhejiang Natural Science Foundation(No.M103044)
文摘Using the technique of annihilators, we characterize the w^*-closure of the finite-partition submodule R(N, ~) of a weakly closed nest algebra module U completely; and by virtue of this characterization, we obtain a sufficient and necessary condition for U to have a maximal w^*-closed submodule.