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Apr 22'25

Exercise

[math] \newcommand{\mathds}{\mathbb}[/math]

This article was automatically generated from a tex file and may contain conversion errors. If permitted, you may login and edit this article to improve the conversion.

Prove that any morphism of Woronowicz algebras

[[math]] f:(A,u)\to(B,v) [[/math]]

increases the moments of the main character, and that such a morphism is an isomorphism precisely when all these moments, and so the character laws, are the same.