The General Concept of Cone Approximations in Nondifferentiable Optimization

  • K.-H. Elster
  • J. Thierfelder
Part of the Lecture Notes in Economics and Mathematical Systems book series (LNE, volume 255)


General optimization problems connected with necessary conditions for optimality have been studied by many authors in recent years. Since Clarke (1975) introduced the notion of a generalized gradient and the corresponding tangent cone, numerous papers have been published which extend standard smooth and convex optimization results to the general case.


Local Solution Directional Derivative Tangent Cone Slater Condition Nondifferentiable Optimization 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • K.-H. Elster
    • 1
  • J. Thierfelder
    • 1
  1. 1.Technical University of IlmenauIlmenauGDR

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