2 papers
math.NA2023
Decoupling Numerical Method Based on Deep Neural Network for Nonlinear Degenerate Interface Problems
Chen Fan, Zhiyue Zhang
Interface problems depict many fundamental physical phenomena and widely apply in the engineering. However, it is challenging to develop efficient fully decoupled numerical methods…
cs.LG2023
BiSLS/SPS: Auto-tune Step Sizes for Stable Bi-level Optimization
Chen Fan, Gaspard Choné-Ducasse, Mark Schmidt +1
The popularity of bi-level optimization (BO) in deep learning has spurred a growing interest in studying gradient-based BO algorithms. However, existing algorithms involve two coup…