Vladimir Koltchinskii, Dong Xia. Optimal estimation of low rank density matrices. Journal of Machine Learning Research, 16:1757-1792, 2015. [doi]
@article{KoltchinskiiX15, title = {Optimal estimation of low rank density matrices}, author = {Vladimir Koltchinskii and Dong Xia}, year = {2015}, url = {http://dl.acm.org/citation.cfm?id=2886806}, researchr = {https://researchr.org/publication/KoltchinskiiX15}, cites = {0}, citedby = {0}, journal = {Journal of Machine Learning Research}, volume = {16}, pages = {1757-1792}, }