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Stochastic Optimization Problems with CVaR Risk Measure and Their Sample Average Approximation

Published: 01 August 2010 Publication History

Abstract

We provide a refined convergence analysis for the SAA (sample average approximation) method applied to stochastic optimization problems with either single or mixed CVaR (conditional value-at-risk) measures. Under certain regularity conditions, it is shown that any accumulation point of the weak GKKT (generalized Karush-Kuhn-Tucker) points produced by the SAA method is almost surely a weak stationary point of the original CVaR or mixed CVaR optimization problems. In addition, it is shown that, as the sample size increases, the difference of the optimal values between the SAA problems and the original problem tends to zero with probability approaching one exponentially fast.

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Cited By

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  • (2015)Robust Optimization of Order ExecutionIEEE Transactions on Signal Processing10.1109/TSP.2014.238628863:4(907-920)Online publication date: 1-Feb-2015
  • (2014)Asymptotic Analysis of Sample Average Approximation for Stochastic Optimization Problems with Joint Chance Constraints via Conditional Value at Risk and Difference of Convex FunctionsJournal of Optimization Theory and Applications10.1007/s10957-012-0127-1161:1(257-284)Online publication date: 1-Apr-2014

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Published In

cover image Journal of Optimization Theory and Applications
Journal of Optimization Theory and Applications  Volume 146, Issue 2
August 2010
297 pages

Publisher

Plenum Press

United States

Publication History

Published: 01 August 2010

Author Tags

  1. Conditional value-at-risk
  2. Sample average approximation
  3. Stochastic optimization
  4. Variational analysis

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View all
  • (2015)Robust Optimization of Order ExecutionIEEE Transactions on Signal Processing10.1109/TSP.2014.238628863:4(907-920)Online publication date: 1-Feb-2015
  • (2014)Asymptotic Analysis of Sample Average Approximation for Stochastic Optimization Problems with Joint Chance Constraints via Conditional Value at Risk and Difference of Convex FunctionsJournal of Optimization Theory and Applications10.1007/s10957-012-0127-1161:1(257-284)Online publication date: 1-Apr-2014

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