3 papers
physics.soc-ph2026
Population size and centrality effects on NO2 air pollution across and within European cities
Yufei Wei, Rémi Lemoy, Geoffrey Caruso
Understanding how nitrogen dioxide (NO2) varies both within and across cities is essential for assessing urban health inequalities, yet the joint influence of city size and interna…
physics.acc-ph2026
U-Net-based surrogate modeling for attosecond X-ray free-electron lasers
Yufei Wei, Bingyang Yan, Chenzhi Xu +2
Attosecond X-ray pulse generation in modern X-ray free-electron lasers relies on strongly compressed, precisely tailored electron bunches, making accurate diagnostics and control o…
cs.RO2026
Direction Matters: Learning Force Direction Enables Sim-to-Real Contact-Rich Manipulation
Yifei Yang, Anzhe Chen, Zhenjie Zhu +6
Sim-to-real transfer for contact-rich manipulation remains challenging due to the inherent discrepancy in contact dynamics. While existing methods often rely on costly real-world d…