University of Pennsylvania（宾夕法尼亚大学）

2502.00604 2025-09-22 cs.LG cs.AI physics.comp-ph

Gradient Alignment in Physics-informed Neural Networks: A Second-Order Optimization Perspective

Sifan Wang, Ananyae Kumar Bhartari, Bowen Li, Paris Perdikaris

机构 * Institution for Foundation of Data Science, Yale University（数据科学基础研究所，耶鲁大学）； Penn Institute for Computational Science, University of Pennsylvania（宾夕法尼亚大学计算科学研究所）； Department of Mathematics, City University of Hong Kong（香港城市大学数学系）； Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania（宾夕法尼亚大学机械工程与应用力学系）

Comments 39 pages, 22 figures

2509.13200 2025-09-22 cs.RO

StageACT: Stage-Conditioned Imitation for Robust Humanoid Door Opening

Moonyoung Lee, Dong Ki Kim, Jai Krishna Bandi, Max Smith, Aileen Liao, Ali-akbar Agha-mohammadi, Shayegan Omidshafiei

机构 * Carnegie Mellon University（卡内基梅隆大学）； University of Pennsylvania（宾夕法尼亚大学）

Comments 7 pages