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Unbounded Multipliers of Complete Pick Spaces
We examine densely defined (but possibly unbounded) multiplication operators in Hilbert function spaces possessing a complete Nevanlinna–Pick (CNP) kernel. For such a densely defined operator T , the domains of T and T ∗ are reproducing kernel Hilbert spaces contractively contained in the ambient sp...
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Published in: | Integral equations and operator theory 2022-06, Vol.94 (2), Article 14 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | We examine densely defined (but possibly unbounded) multiplication operators in Hilbert function spaces possessing a complete Nevanlinna–Pick (CNP) kernel. For such a densely defined operator
T
, the domains of
T
and
T
∗
are reproducing kernel Hilbert spaces contractively contained in the ambient space. We study several aspects of these spaces, especially the domain of
T
∗
, which can be viewed as analogs of the classical deBranges–Rovnyak spaces in the unit disk. |
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ISSN: | 0378-620X 1420-8989 |
DOI: | 10.1007/s00020-022-02690-8 |