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On configurations of subspaces of a Hilbert space with fixed angles between them

We investigate the set of irreducible configurations of subspaces of a Hilbert space for which the angle between every two subspaces is fixed. This is the problem of *-representations of certain algebras generated by idempotents and depending on parameters (on the set of angles). We separate the cla...

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Bibliographic Details
Date:	2004
Main Authors:	Vlasenko, M. A., Popova, N. D., Власенко, М. А., Попова, Н. Д.
Format:	Article
Language:	Russian English
Published:	Institute of Mathematics, NAS of Ukraine 2004
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/3781
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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