Ax Sofiane Ennadir, Tianze Wang, Oleg Smirnov, Sahar Asadi, Lele Cao 2/20/2026

Be Wary of Your Time Series Preprocessing

arXiv paper analyzing how normalization strategies impact Transformer expressivity for time series representation learning.

Ax Baihe Huang, Eric Xu, Kannan Ramchandran, Jiantao Jiao, Michael I. Jordan 2/20/2026

Towards Anytime-Valid Statistical Watermarking

arXiv paper on anytime-valid statistical watermarking for distinguishing machine-generated content from human text in LLMs.

Ax Keith Burghardt, Jienan Liu, Sadman Sakib, Yuning Hao, Bo Li 2/20/2026

FAMOSE: A ReAct Approach to Automated Feature Discovery

FAMOSE: ReAct-based agent for automated feature engineering in tabular data that autonomously explores and generates optimal features without domain expertise.

Ax Aidar Myrzakhan, Tianyi Li, Bowei Guo, Shengkun Tang, Zhiqiang Shen 2/20/2026

Sink-Aware Pruning for Diffusion Language Models

Novel pruning technique for Diffusion Language Models that optimizes inference efficiency by reconsidering attention sink preservation assumptions.

Ax Rachel Ma, Jingyi Qu, Andreea Bobu, Dylan Hadfield-Menell 2/20/2026

Goal Inference from Open-Ended Dialog

Research on embodied AI agents using LLMs for open-ended dialog to infer and accomplish diverse user goals efficiently and robustly.

Ax Andr\'e Barreto, Vincent Dumoulin, Yiran Mao, Mark Rowland, Nicolas Perez-Nieves, Bobak Shahriari, Yann Dauphin, Doina Precup, Hugo Larochelle 2/20/2026

Capturing Individual Human Preferences with Reward Features

Method for learning user-specific reward models in RLHF to capture individual preferences in LLM training.

Ax Neil Mallinar, A. Ali Heydari, Xin Liu, Anthony Z. Faranesh, Brent Winslow, Nova Hammerquist, Benjamin Graef, Cathy Speed, Mark Malhotra, Shwetak Patel, Javier L. Prieto, Daniel McDuff, Ahmed A. Metwally 2/20/2026

A Scalable Framework for Evaluating Health Language Models

Evaluation framework for assessing health-focused LLMs on personalized response quality with scalable methodology.

Ax Maohao Ran, Zhenglin Wan, Cooper Lin, Yanting Zhang, Hongyu Xin, Hongwei Fan, Yibo Xu, Beier Luo, Yaxin Zhou, Wangbo Zhao, Lijie Yang, Lang Feng, Fuchao Yang, Jingxuan Wu, Yiqiao Huang, Chendong Ma, Dailing Jiang, Jianbo Deng, Sirui Han, Yang You, Bo An, Yike Guo, Jun Song 2/20/2026

CaveAgent: Transforming LLMs into Stateful Runtime Operators

CaveAgent: framework converting LLM-as-text-generator to LLM-as-runtime-operator with dual-stream architecture for long-horizon task execution.