Ax Prajit Bhaskaran, Tom Viering 2/19/2026

Transformers can do Bayesian Clustering

Transformer-based model for Bayesian clustering on datasets with missing values. Unsupervised learning extension of prior-data fitting.

Ax S Nanayakkara 2/19/2026

Adaptive Aggregation with Two Gains in QFL

Adaptive aggregation method for quantum federated learning handling client quality variation, teleportation fidelity, and device instability.

Ax Haocheng Xi, Shuo Yang, Yilong Zhao, Muyang Li, Han Cai, Xingyang Li, Yujun Lin, Zhuoyang Zhang, Jintao Zhang, Xiuyu Li, Zhiying Xu, Jun Wu, Chenfeng Xu, Ion Stoica, Song Han, Kurt Keutzer 2/19/2026

Quant VideoGen: Auto-Regressive Long Video Generation via 2-Bit KV-Cache Quantization

System optimization for autoregressive video generation using 2-bit KV-cache quantization to reduce memory from 30GB and enable hardware deployment.

Ax Jikai Jin, Kenneth Hung, Sanath Kumar Krishnamurthy, Baoyi Shi, Congshan Zhang 2/19/2026

Adaptive Exploration for Latent-State Bandits

Multi-armed bandit algorithms for sequential decision-making with hidden, time-varying states and unobserved confounders.

Ax Xander Davies, Giorgi Giglemiani, Edmund Lau, Eric Winsor, Geoffrey Irving, Yarin Gal 2/19/2026

Boundary Point Jailbreaking of Black-Box LLMs

Novel automated jailbreak attack method that evades classifier-based safeguards in frontier LLMs without requiring white/grey-box access.

Ax Chengzhi Hu, Jonas Dornbusch, David L\"udke, Stephan G\"unnemann, Leo Schwinn 2/19/2026

Closing the Distribution Gap in Adversarial Training for LLMs

Research on fundamental limitations of adversarial training for LLMs, showing models remain vulnerable to distribution-shifted attacks like prompt rewriting.

Ax Tim R. Davidson, Veniamin Veselovsky, Martin Josifoski, Maxime Peyrard, Antoine Bosselut, Michal Kosinski, Robert West 2/19/2026

Evaluating Language Model Agency through Negotiations

Framework evaluating language model agency through multi-turn negotiation games, testing six public LLMs against real-world interactive scenarios.

Ax Xinrui Zhou, Yuhao Huang, Haoran Dou, Shijing Chen, Ao Chang, Jia Liu, Weiran Long, Jian Zheng, Erjiao Xu, Jie Ren, Alejandro F. Frangi, Ruobing Huang, Jun Cheng, Xiaomeng Li, Wufeng Xue, Dong Ni 2/19/2026

Ctrl-GenAug: Controllable Generative Augmentation for Medical Sequence Classification

Diffusion-based data augmentation method for medical sequence classification with controllable semantic and sequential generation.

Ax Lucas Bandarkar, Chenyuan Yang, Mohsen Fayyaz, Junlin Hu, Nanyun Peng 2/19/2026

Multilingual Routing in Mixture-of-Experts

Analysis of expert routing patterns in multilingual Mixture-of-Experts language models across languages.

Ax David Puertolas Merenciano, Ekaterina Vasyagina, Raghav Dixit, Kevin Zhu, Ruizhe Li, Javier Ferrando, Maheep Chaudhary 2/19/2026

Weight space Detection of Backdoors in LoRA Adapters

Detection method for backdoor attacks in LoRA adapters without running inference. Addresses security in open-source LLM fine-tuning.