Ansari, Nasir, Ritu Khanna, and Saurabh Mehta. “Group-Aware Estimation of Elevator Trip Origin DestinationMatrices: Exact Recovery and a Cohesion Threshold”. Communications in Mathematics and Applications 17, no. 3 (September 30, 2026). Accessed November 5, 2026. https://journals.rgnpublications.com/index.php/cma/article/view/3683.