2 papers
cs.LG2026
Empowering Credit Risk Detection in Weixin Pay with Billion-Scale Deep Graph Learning
Xin Liu, Xiyuan Chen, Chenglong Wu +3
Credit risk detection, particularly mitigating individual fraud, is crucial for maintaining the stability of digital financial ecosystems. Accurately identifying credit fraud among…
math.AP2026
Large friction limit of the almost pressureless Euler-Poisson system
Xin Liu
The goal of this work is to investigate the almost pressureless Euler-Poisson (EP) system with repulsive force in the large friction limit. The leading order equations in the limit…