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Conditional Expectations on Compact Quantum Groups and Quantum Double Cosets

We prove that a conditional expectation on a compact quantum group that satisfies certain conditions can be decomposed into a composition of two conditional expectations one of which is associated with quantum double cosets and the other preserves the counit.

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Bibliographic Details
Date:	2005
Main Authors:	Kalyuzhnyi, A. A., Podkolzin, G. B., Chapovsky, Yu., Калюжный, А. А., Подколзин, Г. Б., Чаповский, Ю. А.
Format:	Article
Language:	Russian English
Published:	Institute of Mathematics, NAS of Ukraine 2005
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/3630
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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