@unpublished{saade:cea-01222302, TITLE = {{Matrix Completion from Fewer Entries: Spectral Detectability and Rank Estimation}}, AUTHOR = {Saade, Alaa and Krzakala, Florent and Zdeborov{\'a}, Lenka}, URL = {https://cea.hal.science/cea-01222302}, NOTE = {working paper or preprint}, YEAR = {2015}, MONTH = Oct, HAL_ID = {cea-01222302}, HAL_VERSION = {v1}, }