Backward shift invariant subspaces in the bidisc
Backward shift invariant subspaces in the bidisc
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DOI:
10.14492/hokmj/1285766003
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发表时间:
2000-10
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中科院分区:
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In the previous paper, we give a characterization of backward shift invariant subspaces of the Hardy space in the bidisc which satisfy the doubly commuting condition S_z S_w^* = S_w^* S_z for the compression operators S_z and S_w. In this paper, we give a characterization of backward shift invariant subspaces satisfying S_z^2 S_w^* = S_w^* S_z^2.