← Back to homepage

Publications.

Research in multimodal learning, vision-language models, and geometric learning.

* Equal contribution · Google Scholar ↗

Over-squashing as Transport Congestion: A Sandpile Dynamics Perspective

Yang Shi*, Lixian Chen*, Jingchao Wang, Minzhe Guo, Mingxuan Huang, Yanhui Chen, Yifeng Xie, Xuhang Chen, Liangsi Lu.

KDD 2026 (CCF-A)

Majorization Guided Test-Time Adaptation for Vision-Language Models under Modality-Specific Shift

Lixian Chen, Mingxuan Huang, Yanhui Chen, Junyi Lin, Yang Shi

ACM MM 2026 (CCF-A)

When Task Performance Deceives: Task-Geometry Decoupling in Learnable-Curvature Hyperbolic GNNs

Lixian Chen, Jingchao Wang, Zhaorong Dai, Hanqian Liu, Danxiang Ai, Yang Shi

Neural Networks (CCF-B)