arXiv (Cornell University) · 2015 · 78 citations · 17 references
Integral GeometrySchubert CalculusDiscrete GeometryEngineeringGeometric AlgorithmGeometryGrassmannian FrameComputer-aided DesignComputer ScienceEquiangular Tight FramesUnit VectorsComputational GeometryExplicit Grassmannian FramesOriented MatroidsComputational Topology
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.
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P. Delsarte, J.-M. Goethals, J.J. Seidel · Geometriae Dedicata · 1977 · 970 citations
On the existence of equiangular tight frames
Mátyás A. Sustik, Joel A. Tropp, Inderjit S. Dhillon et al. · Linear Algebra and its Applications · 2007 · 258 citations