The Nevanlinna–Pick norm conjecture for uniform algebras

From papers

Let KK be a compact space and let AA be a closed subalgebra of C(K)C(K), with the Nevanlinna–Pick property represented by ANPA\in NP_{\infty}. Nevanlinna–Pick norm conjecture for uniform algebras. If ANPA\in NP_{\infty} and AA is a closed subalgebra of C(K)C(K), then AA is a CC^{\ast}-algebra. This is presented as a more specific case of the preceding conjecture. The supplied context gives no resolution of this case; the result for uniform algebras with scattered Gelfand space provides a related positive result.

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Primary source

Przemysław Ohrysko and Michał Wojciechowski, “Nevanlinna–Pick norms: towards a scattered–Cantor dichotomy for spectra of commutative Banach algebras”, arXiv:2512.19385 (2026).

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