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arXiv:1403.7382 [math.CA]AbstractReferencesReviewsResources

A short proof for the characterisation of tight frames

Gergely Ambrus

Published 2014-03-28Version 1

With the aid of utilising tensor products, we give a simplified proof to the fundamental theorem of Benedetto and Fickus about the existence and characterisation of finite, normalised tight frames. We also establish unit-norm tensor resolutions for symmetric, positive semi-definite matrices.

Comments: 6 pages
Categories: math.CA, math.MG
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