47 citations · 189 across the 27 of their papers we have counts for
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cs.IT2015
What Happens to a Manifold Under a Bi-Lipschitz Map?
Armin Eftekhari, Michael B. Wakin
We study geometric and topological properties of the image of a smooth submanifold of under a bi-Lipschitz map to . In particular, we characterize…
cs.IT2015★ 14 cited
Greed is Super: A Fast Algorithm for Super-Resolution
Armin Eftekhari, Michael B. Wakin
We present a fast two-phase algorithm for super-resolution with strong theoretical guarantees. Given the low-frequency part of the spectrum of a sequence of impulses, Phase I consi…
math.NA2015
Computing Active Subspaces Efficiently with Gradient Sketching
Paul G. Constantine, Armin Eftekhari, Michael B. Wakin
Active subspaces are an emerging set of tools for identifying and exploiting the most important directions in the space of a computer simulation's input parameters; these direction…