268 citations · 1.1k across the 40 of their papers we have counts for
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math.NA2023
Butterfly factorization by algorithmic identification of rank-one blocks
Léon Zheng, Gilles Puy, Elisa Riccietti +2
Many matrices associated with fast transforms posess a certain low-rank property characterized by the existence of several block partitionings of the matrix, where each block is of…
math.NA2014★ 1 cited
Balancing Sparsity and Rank Constraints in Quadratic Basis Pursuit
Cagdas Bilen, Gilles Puy, Rémi Gribonval +1
We investigate the methods that simultaneously enforce sparsity and low-rank structure in a matrix as often employed for sparse phase retrieval problems or phase calibration proble…