@article{sun2015nonconvex, title={When are nonconvex problems not scary?}, author={Sun, Ju and Qu, Qing and Wright, John}, journal={arXiv preprint arXiv:1510.06096}, year={2015} }
@article{sun2015nonconvex, title={When are nonconvex problems not scary?}, author={Sun, Ju and Qu, Qing and Wright, John}, journal={arXiv preprint arXiv:1510.06096}, year={2015} }