We introduce an infinite-dimensional version of the Christoffel function, where now (i) its argument lies in a Hilbert space of functions, and (ii) its associated underlying measure is supported on a compact subset of the Hilbert space. We show that it possesses the same crucial property as its fini...

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Bibliographic Details
Published in:Comptes Rendus. Mathématique
Main Authors: Henrion, Didier, Lasserre, Jean-Bernard
Format: Article
Language:English
Published: Académie des sciences 2025-06-01
Online Access:https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.744/