Ax Barna Saha, Yinzhan Xu, Christopher Ye, Hantao Yu 3/13/2026

On the Computational Hardness of Transformers

Research on computational complexity of transformer architectures, analyzing attention mechanisms across layers and heads.

Ax Stefan Maria Ailuro (INSAIT, Sofia University "St. Kliment Ohridski"), Mario Markov (INSAIT, Sofia University "St. Kliment Ohridski"), Mohammad Mahdi (INSAIT, Sofia University "St. Kliment Ohridski"), Delyan Boychev (INSAIT, Sofia University "St. Kliment Ohridski"), Luc Van Gool (INSAIT, Sofia University "St. Kliment Ohridski"), Danda Pani Paudel (INSAIT, Sofia University "St. Kliment Ohridski") 3/13/2026

OSM-based Domain Adaptation for Remote Sensing VLMs

Domain adaptation approach for vision-language models in remote sensing using OpenStreetMap data without large teacher models.

Ax Yuliang Chen, Arvind Pillai, Yu Yvonne Wu, Tess Z. Griffin, Lisa Marsch, Michael V. Heinz, Nicholas C. Jacobson, Andrew Campbell 3/13/2026

Learning Transferable Sensor Models via Language-Informed Pretraining

Self-supervised learning approach for multivariate time-series sensor data using language-informed pretraining to capture semantic structure.

Ax Ping Guo, Tiantian Zhang, Xi Lin, Xiang Li, Zhi-Ri Tang, Qingfu Zhang 3/13/2026

Few-for-Many Personalized Federated Learning

arXiv paper on personalized federated learning (PFL) using multi-objective optimization to train customized models across clients with heterogeneous data.

Ax Yixin Liu, Yue Yu, DiJia Su, Sid Wang, Xuewei Wang, Song Jiang, Bo Liu, Arman Cohan, Yuandong Tian, Zhengxing Chen 3/13/2026

Examining Reasoning LLMs-as-Judges in Non-Verifiable LLM Post-Training

Study examining reasoning LLMs used as judges for evaluating non-verifiable domains in post-training, testing inference-time scaling benefits for policy training.

Ax Cornelius V. Braun, Robert T. Lange, Marc Toussaint 3/13/2026

Stein Variational Evolution Strategies

Gradient-free variant of Stein Variational Gradient Descent combining evolution strategies for sampling from unnormalized distributions.

Ax Jun Liu, Zhenglun Kong, Peiyan Dong, Changdi Yang, Tianqi Li, Hao Tang, Geng Yuan, Wei Niu, Wenbin Zhang, Pu Zhao, Xue Lin, Dong Huang, Yanzhi Wang 3/13/2026

Structured Agent Distillation for Large Language Model

Framework for compressing large LLM-based ReAct agents into smaller student models while preserving reasoning and action consistency.