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Proceedings Paper

Detailing the equivalence between real equiangular tight frames and certain strongly regular graphs
Author(s): Matthew Fickus; Cody E. Watson
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Paper Abstract

An equiangular tight frame (ETF) is a set of unit vectors whose coherence achieves the Welch bound, and so is as incoherent as possible. They arise in numerous applications. It is well known that real ETFs are equivalent to a certain subclass of strongly regular graphs. In this note, we give some alternative techniques for understanding this equivalence. In a later document, we will use these techniques to further generalize this theory.

Paper Details

Date Published: 24 August 2015
PDF: 10 pages
Proc. SPIE 9597, Wavelets and Sparsity XVI, 959719 (24 August 2015); doi: 10.1117/12.2185522
Show Author Affiliations
Matthew Fickus, Air Force Institute of Technology (United States)
Cody E. Watson, Air Force Institute of Technology (United States)


Published in SPIE Proceedings Vol. 9597:
Wavelets and Sparsity XVI
Manos Papadakis; Vivek K. Goyal; Dimitri Van De Ville, Editor(s)

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