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Bergman Spaces On Disconnected Domains, William T. Ross, Alexandru Aleman, Stefan Richter
Bergman Spaces On Disconnected Domains, William T. Ross, Alexandru Aleman, Stefan Richter
Department of Math & Statistics Faculty Publications
For a bounded region G C C and a compact set K C G, with area measure zero, we will characterize the invariant subspaces M (under f -> zf)of the Bergman space Lpa(G \ K), 1 ≤ p < ∞, which contain Lpa(G) and with dim(M/(z - λ)M) = 1 for all λϵ G \ K. When G \ K is connected, we will see that di\m(M /(z — λ)M) = 1 for all λ ϵ G \ K and thus in this case we will have a complete …
Invariant Subspaces Of The Harmonic Dirichlet Space With Large Co-Dimension, William T. Ross
Invariant Subspaces Of The Harmonic Dirichlet Space With Large Co-Dimension, William T. Ross
Department of Math & Statistics Faculty Publications
In this paper, we comment on the complexity of the invariant subspaces (under the bilateral Dirichlet shift f → ζf) of the harmonic Dirichlet space D. Using the sampling theory of Seip and some work on invariant subspaces of Bergman spaces, we will give examples of invariant subspaces F ⊂ D with dim(F/ζF) = n, n ∈ N ∪ {∞}. We will also generalize this to the Dirichlet classes Dα, 0 <α< ∞, as well as the Besov classes Bα p , 1