3 papers
cs.LG2026
Solver-Integrated Adversarial Attacking and Training of Neural Operators
Yifei Sun
Neural operators are widely used as fast surrogates for numerical PDE solvers, mapping input functions to solution functions. However, their generalizability and robustness are not…
cs.SI2025
Hodge Decomposition for Urban Traffic Flow: Limits on Dense OD Graphs and Advantages on Road Networks - Los Angeles Case
Yifei Sun
I study Hodge decomposition (HodgeRank) for urban traffic flow on two graph representations: dense origin--destination (OD) graphs and road-segment networks. Reproducing the method…
cs.IT2024
Receiver-Centric Generative Semantic Communications
Xunze Liu, Yifei Sun, Zhaorui Wang +4
This paper investigates semantic communications between a transmitter and a receiver, where original data, such as videos of interest to the receiver, is stored at the transmitter.…