Lagrange multiplier necessary conditions for global optimality for non-convex minimization over a quadratic constraint via S-lemma

V. Jeyakumar, S. Srisatkunarajah. Lagrange multiplier necessary conditions for global optimality for non-convex minimization over a quadratic constraint via S-lemma. Optimization Letters, 3(1):23-33, 2009. [doi]

@article{JeyakumarS09-0,
  title = {Lagrange multiplier necessary conditions for global optimality for non-convex minimization over a quadratic constraint via S-lemma},
  author = {V. Jeyakumar and S. Srisatkunarajah},
  year = {2009},
  doi = {10.1007/s11590-008-0088-3},
  url = {http://dx.doi.org/10.1007/s11590-008-0088-3},
  tags = {constraints},
  researchr = {https://researchr.org/publication/JeyakumarS09-0},
  cites = {0},
  citedby = {0},
  journal = {Optimization Letters},
  volume = {3},
  number = {1},
  pages = {23-33},
}