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New Examples of Non-complete Pick Kernels
Authors:António Serra
Affiliation:(1) Departamento de Matemática, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
Abstract:We construct continuous families of non-complete Pick kernels on countable sets and show that they are preserved by an operation introduced by S. Shimorin. In the infinite case the multiplier algebra is l and there exist non-constant multipliers whose operator norms equal their supremum norms.
Keywords:Primary 47A57(46E22)  Secondary 15A63(47A07)
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