Convex stochastic duality and the "biting lemma"

Igor V. Evstigneev, Sjur D. Flåm

Research output: Contribution to journalArticlepeer-review

Abstract

A standard approach to duality in stochastic optimization problems with constraints in L∞ relies upon the Yosida - Hewitt theorem. We develop an alternative technique which employs only "elementary" means. The technique is based on an ε-regularization of the original problem and on passing to the limit as ε → 0 with the help of a simple measure-theoretic fact - the biting lemma.
Original languageEnglish
Pages (from-to)237-244
Number of pages7
JournalJournal of Convex Analysis
Volume9
Issue number1
Publication statusPublished - 2002

Keywords

  • Biting lemma
  • Bounded sets in L1
  • Constraints in L∞
  • Convex duality
  • Gale's economic model
  • Stochastic Lagrange multipliers
  • Stochastic optimization

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