Universal gradient methods for convex optimization problems

Yurii Nesterov ()
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Yurii Nesterov: Université catholique de Louvain, CORE, Belgium

No 2013026, LIDAM Discussion Papers CORE from Université catholique de Louvain, Center for Operations Research and Econometrics (CORE)

Abstract: In this paper, we present new methods for black-box convex minimization. They do not need to know in advance the actual level of smoothness of the objective function. The only essential input parameter is the required accuracy of the solution. At the same time, for each particular problem class they automatically ensure the best possible rate of convergence. We confirm our theoretical results by encouraging numerical experiments, which demonstrate that the fast rate of convergence, typical for the smooth optimization problems, sometimes can be achieved even on nonsmooth problem instances.

Keywords: convex optimization; black-box methods; complexity bounds; optimal methods; weakly smooth functions (search for similar items in EconPapers)
Date: 2013-07-04
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Citations: View citations in EconPapers (2)

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