805 citations · 1.9k across the 55 of their papers we have counts for
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math.ST2013★ 22 cited
High-dimensional change-point detection with sparse alternatives
Farida Enikeeva, Zaid Harchaoui
We consider the problem of detecting a change in mean in a sequence of Gaussian vectors. Under the alternative hypothesis, the change occurs only in some subset of the components o…
math.OC2013★ 12 cited
Conditional Gradient Algorithms for Norm-Regularized Smooth Convex Optimization
Zaid Harchaoui, Anatoli Juditsky, Arkadi Nemirovski
Motivated by some applications in signal processing and machine learning, we consider two convex optimization problems where, given a cone , a norm and a smooth conv…