Gradient Approaches to Equilibrium

  • Sjur Didrik Flåm
Conference paper
Part of the Lecture Notes in Economics and Mathematical Systems book series (LNE, volume 452)

Abstract

The main objects here are equilibrium problems of monotone type. Examples include convex minimization, convex-concave saddle problems, monotone variational inequalities, and many non-cooperative games. To solve such problems we propose a method using approximate subgradients, inexact orthogonal projections, and predetermined step sizes, the latter forming a divergent series. Our motivation stems in part from noncooperative games where the algorithm might depict an adaptive mode of repeated play. Granted existence of equilibria it is shown that the method generates a sequence which converges to such an outcome.

Keywords

Equilibrium non-cooperative games variational inequalities saddle problems convex minimization orthogonal projections projected subgradient Hilbert space weak convergence 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • Sjur Didrik Flåm
    • 1
  1. 1.Economics DepartmentBergen UniversityNorwayUK

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