English

Quadratic growth and critical point stability of semi-algebraic functions

Optimization and Control 2014-12-23 v2

Abstract

We show that quadratic growth of a semi-algebraic function is equivalent to strong metric subregularity of the subdifferential --- a kind of stability of generalized critical points. In contrast, this equivalence can easily fail outside of the semi-algebraic setting. As a consequence, we derive necessary conditions and sufficient conditions for optimality in subdifferential terms.

Keywords

Cite

@article{arxiv.1309.1446,
  title  = {Quadratic growth and critical point stability of semi-algebraic functions},
  author = {D. Drusvyatskiy and A. D. Ioffe},
  journal= {arXiv preprint arXiv:1309.1446},
  year   = {2014}
}

Comments

19 pages