2 papers
math.OC2025
Fast projection onto the top-k-sum constraint
Jianting Pan, Ming Yan
This paper develops an efficient algorithm for computing the Euclidean projection onto the top-k-sum constraint, a key operation in financial risk management and matrix optimizatio…
eess.SP2024
Time-Varying Graph Signal Recovery Using High-Order Smoothness and Adaptive Low-rankness
Weihong Guo, Yifei Lou, Jing Qin +1
Time-varying graph signal recovery has been widely used in many applications, including climate change, environmental hazard monitoring, and epidemic studies. It is crucial to choo…