Information-theoretic lower bounds on the oracle complexity of convex optimization (2012)
A. Agarwal, P. Bartlett, P. Ravikumar, and M. Wainwright
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IEEE Transactions on Information Theory, Vol. 58, 5 (2012), pp. 3235-3249.
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Pradeep Ravikumar Faculty pradeepr [at] cs utexas edu