2 papers
math.OC2026
Convergence analysis of the Riemannian proximal gradient method with inexact oracle
Chao Huang, Xiyuan Xie, Anna Qi +2
We extend the notion of an inexact first-order oracle from the Euclidean setting to Riemannian optimization, and conduct a convergence analysis for the Riemannian proximal gradient…
eess.SP2022
Atomic Filter: a Weak Form of Shift Operator for Graph Signals
Lihua Yang, Qing Zhang, Qian Zhang +1
The shift operation plays a crucial role in the classical signal processing. It is the generator of all the filters and the basic operation for time-frequency analysis, such as win…