A note on minimal envelopes of Douglas algebras, minimal support sets, and restricted Douglas algebras

Carroll Guillory

International Journal of Mathematics and Mathematical Sciences, 2001, vol. 26, 1-4

Abstract:

We characterize the interpolating Blaschke products of finite type in terms of their support sets. We also give a sufficient condition on the restricted Douglas algebra of a support set that is invariant under the Bourgain map, and its minimal envelope is singly generated.

Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:285295

DOI: 10.1155/S0161171201006342

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