4bd5ea1157a5d310VgnVCM100000c2b1d38dRCRDapproved/UMICH/stats/Home/People/Faculty/Faculty PublicationsSparse Permutation Invariant Covariance Estimation1bd5ea1157a5d310VgnVCM100000c2b1d38d____Sparse Permutation Invariant Covariance EstimationLevina, E.A. J. Rothman;P. J. Bickel;J. ZhuelevinaElectronic Journal of Statistics 22008494-515jjsantosjjsantos1363023655830