@article{zhu2019linearly, title={A linearly convergent method for non-smooth non-convex optimization on the grassmannian with applications to robust subspace and dictionary learning}, author={Zhu, Zhihui and Ding, Tianyu and Robinson, Daniel and Tsakiris, Manolis and Vidal, Ren{\'e}}, journal={Advances in Neural Information Processing Systems}, year={2019} }