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Tables of the existence of equiangular tight frames (1504.00253v2)
Published 1 Apr 2015 in math.FA, cs.IT, math.CO, and math.IT
Abstract: A Grassmannian frame is a collection of unit vectors which are optimally incoherent. To date, the vast majority of explicit Grassmannian frames are equiangular tight frames (ETFs). This paper surveys every known construction of ETFs and tabulates existence for sufficiently small dimensions.