A refined nc Oka–Weil theorem

This short note refines a noncommutative (nc) Oka–Weil theorem by using a characterization of free compact nc sets based on the notion of dilation hulls. A consequence of it is that any free holomorphic function can be represented as a free polynomial on each free compact nc set.

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Veröffentlicht in:Canadian mathematical bulletin 2023-03, Vol.66 (1), p.218-224
1. Verfasser: Kojin, Kenta
Format: Artikel
Sprache:eng
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Zusammenfassung:This short note refines a noncommutative (nc) Oka–Weil theorem by using a characterization of free compact nc sets based on the notion of dilation hulls. A consequence of it is that any free holomorphic function can be represented as a free polynomial on each free compact nc set.
ISSN:0008-4395
1496-4287
DOI:10.4153/S0008439521000916