In this paper, we comment on the complexity of the invariant subspaces (under the bilateral Dirichlet shift f → ζ f) of the harmonic Dirichlet space D. Using the sampling theory of Seip and some work ...

This is a preview. Log in through your library . Abstract Given an abelian category with arbitrary products, arbitrary co-products, and a generator, we show that the closed subspaces (in the sense of ...