Semidefinite programming relaxations for semialgebraic problems

@article{Parrilo:2003,
author = {Parrilo, Pablo A.},
issn = {0025-5610},
journal = {Mathematical programming},
number = {2},
pages = {293--320},
publisher = {Springer},
title = {Semidefinite programming relaxations for semialgebraic problems},
volume = {96},
year = {2003}
}