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Regularity properties of set-valued solution mappings

Chapter
Part of the Springer Monographs in Mathematics book series (SMM)

Abstract

In the concept of a solution mapping for a problem dependent on parameters, whether formulated with equations or something broader like variational inequalities, we have always had to face the possibility that solutions might not exist, or might not be unique when they do exist. This goes all the way back to the setting of the classical implicit function theorem. In letting S(p) denote the set of all x satisfying f(p, x) = 0, where f is a given function from \({\mathbb{R}}^{d} \times {\mathbb{R}}^{n}\) to \({\mathbb{R}}^{m}\), we cannot expect to be defining a function S from \({\mathbb{R}}^{d}\) to \({\mathbb{R}}^{n}\), even when m = n. In general, we only get a set-valued mapping S. However, this mapping S could have a single-valued localization s with properties of continuity or differentiability. The study of such localizations, as “subfunctions” within a set-valued mapping, has been our focus so far, but now we open up to a wider view.

Keywords

Variational Inequality Hausdorff Distance Solution Mapping Lipschitz Continuity Inverse Function Theorem 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Mathematical ReviewsAmerican Mathematical SocietyAnn ArborUSA
  2. 2.Department of MathematicsUniversity of WashingtonSeattleUSA

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