Large Bergman spaces: invertibility, cyclicity, and subspaces of arbitrary index
Alexander Borichev, Hakan Hedenmalm, Alexander Volberg
Abstract
In a wide class of weighted Bergman spaces, we construct invertible non-cyclic elements. These are then used to produce z-invariant subspaces of index higher than one. In addition, these elements generate nontrivial bilaterally invariant subspaces in anti-symmetrically weighted Hilbert spaces of sequences.
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