collaborators

7 papers

cs.LG2026

LiMuon: Light and Fast Muon Optimizer for Large Models

Feihu Huang, Yuning Luo, Songcan Chen

Large models recently are widely applied in machine learning, so efficient training of large models has received widespread attention. More recently, the useful Muon optimizer is s…

cs.LG2026

MiMuon: Mixed Muon Optimizer with Improved Generalization for Large Models

Feihu Huang, Yuning Luo, Songcan Chen

Matrix-structured parameters frequently appear in many artificial intelligence models such as large language models. More recently, an efficient Muon optimizer is designed for matr…

cs.LG2026

CLion: Efficient Cautious Lion Optimizer with Enhanced Generalization

Feihu Huang, Guanyi Zhang, Songcan Chen

Lion optimizer is a popular learning-based optimization algorithm in machine learning, which shows impressive performance in training many deep learning models. Although convergenc…

cs.LG2026

HomeAdam: Adam and AdamW Algorithms Sometimes Go Home to Obtain Better Provable Generalization

Feihu Huang, Guanyi Zhang, Songcan Chen

Adam and AdamW are a class of default optimizers for training deep learning models in machine learning. These adaptive algorithms converge faster but generalize worse compared to S…

cs.LG2026

Negatives-Dominant Contrastive Learning for Generalization in Imbalanced Domains

Meng Cao, Jiexi Liu, Songcan Chen

Imbalanced Domain Generalization (IDG) focuses on mitigating both domain and label shifts, both of which fundamentally shape the model's decision boundaries, particularly under het…

cs.CV2025

The Finer the Better: Towards Granular-aware Open-set Domain Generalization

Yunyun Wang, Zheng Duan, Xinyue Liao +2

Open-Set Domain Generalization (OSDG) tackles the realistic scenario where deployed models encounter both domain shifts and novel object categories. Despite impressive progress wit…