On the boundary behaviour of functions orthogonal to invariant subspaces

Leung, Kar Koi

doi:10.1090/S0002-9947-1978-0506610-8

On the boundary behaviour of functions orthogonal to invariant subspaces
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Trans. Amer. Math. Soc. 244 (1978), 67-84 Request permission

Abstract:

In this paper we study the relationship between the boundary behaviour of functions in the orthogonal subspace of the invariant subspace $\varphi {H^2}$ and the boundary behaviour of the inner function $\varphi$ itself.

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