Abstract
An example of a strickly contractive Hankel matrix Γ is given such that the central contractive extensionf c of Γ satisfies ∦f c ∦∞=1. This way we answer a problem raised by Ciprian Foias.
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References
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Partially supported by a Georgia State University Research Grant.
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Bakonyi, M. A remark on Nehari's problem. Integr equ oper theory 22, 123–125 (1995). https://doi.org/10.1007/BF01195492
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DOI: https://doi.org/10.1007/BF01195492