170 citations · 909 across the 66 of their papers we have counts for
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math.NA2015★ 22 cited
The sample complexity of weighted sparse approximation
Bubacarr Bah, Rachel Ward
For Gaussian sampling matrices, we provide bounds on the minimal number of measurements required to achieve robust weighted sparse recovery guarantees in terms of how well a gi…
math.NA2015★ 24 cited
The local convexity of solving systems of quadratic equations
Chris D. White, Sujay Sanghavi, Rachel Ward
This paper considers the recovery of a rank positive semidefinite matrix from scalar measurements of the form (i.e…
cs.IT2015★ 3 cited
Compressive Sensing with Redundant Dictionaries and Structured Measurements
Felix Krahmer, Deanna Needell, Rachel Ward
Consider the problem of recovering an unknown signal from undersampled measurements, given the knowledge that the signal has a sparse representation in a specified dictionary .…