activity
20242026
most citedOn the dynamics of three-layer neural networks: initial condensation

2 citations · 2 across the 4 of their papers we have counts for

collaborators

5 papers

cs.LG2026

Focus and Dilution: The Multi-stage Learning Process of Attention

Zheng-An Chen, Pengxiao Lin, Zhi-Qin John Xu +1

Transformer-based models have achieved remarkable success across a wide range of domains, yet our understanding of their training dynamics remains limited. In this work, we identif…

cs.LG2025

From Condensation to Rank Collapse: A Two-Stage Analysis of Transformer Training Dynamics

Zheng-An Chen, Tao Luo

Although transformer-based models have shown exceptional empirical performance, the fundamental principles governing their training dynamics are inadequately characterized beyond c…

math.NA2025

Semi-Discrete in Time Method for Time-Dependent Equations by Random Neural Basis

Guihong Wang, Zheng-An Chen, Tao Luo

Neural network-based solvers for partial differential equations (PDEs) have attracted considerable attention, yet they often face challenges in accuracy and computational efficienc…

cs.LG2024

On Multi-Stage Loss Dynamics in Neural Networks: Mechanisms of Plateau and Descent Stages

Zheng-An Chen, Tao Luo, GuiHong Wang

The multi-stage phenomenon in the training loss curves of neural networks has been widely observed, reflecting the non-linearity and complexity inherent in the training process. In…

cs.LG2024★ 2 cited

On the dynamics of three-layer neural networks: initial condensation

Zheng-An Chen, Tao Luo

Empirical and theoretical works show that the input weights of two-layer neural networks, when initialized with small values, converge towards isolated orientations. This phenomeno…