TY - RPRT TI - Covariance operator estimation via adaptive thresholding AU - Al-Ghattas, Omar [University of Chicago, IL (United States)] (ORCID:0000000243847266) AU - Sanz-Alonso, Daniel [University of Chicago, IL (United States)] PY - 2025 DO - 10.1016/j.spa.2025.104705 UR - https://www.osti.gov/biblio/3376998 ID - 3376998 ER -