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Intersection of Two Invariant Subspaces
Published online by Cambridge University Press: 20 November 2018
Abstract
It is shown that, if F and G are inner functions, (H2 ⊖ FH2)/(H2 ⊖ FH2) ∩ GH2 is n-dimensional if and only if G is a Blaschke product of degree n. This is an extension of the well known result for the case (H2 ⊖ FH2) ∩ GH2 = {0}.
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- Copyright © Canadian Mathematical Society 1987
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