April 21, 2014 article Open access Optimal estimation and rank detection for sparse spiked covariance matrices Probability Theory and Related Fields DOI: 10.1007/s00440-014-0562-z Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 3 stored of 142 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Contribution of Indian Probabilists and Statisticians in Random Matrices: A Brief Survey 2025 Springer eBooks book-chapter Mathematics Random Matrices and Applications 0 citations Detecting changes in the second moment structure of high-dimensional sensor-type data in a K-sample setting 2020 Sequential Analysis article Decision Sciences Advanced Statistical Process Monitoring 1 citations Testing and estimating change-points in the covariance matrix of a high-dimensional time series 2020 Journal of Multivariate Analysis article Decision Sciences Advanced Statistical Process Monitoring Open access 22 citations 3 results References 0