Ax Zhengming Yu, Li Ma, Mingming He, Leo Isikdogan, Yuancheng Xu, Dmitriy Smirnov, Pablo Salamanca, Dao Mi, Pablo Delgado, Ning Yu, Julien Philip, Xin Li, Wenping Wang, Paul Debevec 4/8/2026

DiffHDR: Re-Exposing LDR Videos with Video Diffusion Models

Diffusion model approach for converting low dynamic range video to HDR through scene radiance estimation.

Ax Guhao Feng, Shengjie Luo, Kai Hua, Ge Zhang, Di He, Wenhao Huang, Tianle Cai 4/8/2026

In-Place Test-Time Training

Test-time training method updates LLM fast weights at inference to adapt dynamically to new information streams.

Ax Alaa Saleh, Sasu Tarkoma, Praveen Kumar Donta, Anders Lindgren, Naser Hossein Motlagh, Schahram Dustdar, Susanna Pirttikangas, Lauri Lov\'en 4/8/2026

UserCentrix: An Agentic Memory-augmented AI Framework for Smart Spaces

UserCentrix is a hybrid agentic orchestration framework for smart spaces combining memory augmentation with multi-agent coordination.

Ax Tianyu Liu, Simeng Han, Hanchen Wang, Xiao Luo, Pan Lu, Biqing Zhu, Yuge Wang, Keyi Li, Jiapeng Chen, Rihao Qu, Yufeng Liu, Xinyue Cui, Aviv Yaish, Yuhang Chen, Minsheng Hao, Chuhan Li, Kexing Li, Yinsheng Lu, Xinyu Wei, Qinzhe Xing, Antonia Panescu, Mengbo Wang, Vibha Annaswamy, Alicia Sanchez, Jack Cloherty, Arman Cohan, Hua Xu, Mark Gerstein, James Zou, Hongyu Zhao 4/8/2026

Advancing AI Research Assistants with Expert-Involved Learning

ARIEL framework pairs expert-vetted biomedical tasks with LLMs for evaluation and optimization of AI research assistants.

Ax Bohan Tang, Dezhao Luo, Jianheng Liu, Jingxuan Chen, Shaogang Gong, Jianye Hao, Jun Wang, Kun Shao 4/8/2026

Beyond Syntax: Action Semantics Learning for App Agents

Fine-tunes open-source LLMs for smartphone app control by learning action semantics rather than syntax, reducing API costs.

Ax Michael Grosskopf, Nathan Debardeleben, Russell Bent, Rahul Somasundaram, Isaac Michaud, Arthur Lui, Alexius Wadell, Warren D. Graham, Golo A Wimmer, Sachin Shivakumar, Joan Vendrell Gallart, Harsha Nagarajan, Earl Lawrence 4/8/2026

URSA: The Universal Research and Scientific Agent

URSA framework enables LLMs to conduct autonomous research through complex reasoning, planning, coding, and multi-agent collaboration.

Ax Andrew Sellergren, Sahar Kazemzadeh, Tiam Jaroensri, Atilla Kiraly, Madeleine Traverse, Timo Kohlberger, Shawn Xu, Fayaz Jamil, C\'ian Hughes, Charles Lau, Justin Chen, Fereshteh Mahvar, Liron Yatziv, Tiffany Chen, Bram Sterling, Stefanie Anna Baby, Susanna Maria Baby, Jeremy Lai, Samuel Schmidgall, Lu Yang, Kejia Chen, Per Bjornsson, Shashir Reddy, Ryan Brush, Kenneth Philbrick, Mercy Asiedu, Ines Mezerreg, Howard Hu, Howard Yang, Richa Tiwari, Sunny Jansen, Preeti Singh, Yun Liu, Shekoofeh Azizi, Aishwarya Kamath, Johan Ferret, Shreya Pathak, Nino Vieillard, Ramona Merhej, Sarah Perrin, Tatiana Matejovicova, Alexandre Ram\'e, Morgane Riviere, Louis Rouillard, Thomas Mesnard, Geoffrey Cideron, Jean-bastien Grill, Sabela Ramos, Edouard Yvinec, Michelle Casbon, Elena Buchatskaya, Jean-Baptiste Alayrac, Dmitry Lepikhin, Vlad Feinberg, Sebastian Borgeaud, Alek Andreev, Cassidy Hardin, Robert Dadashi, L\'eonard Hussenot, Armand Joulin, Olivier Bachem, Yossi Matias, Katherine Chou, Avinatan Hassidim, Kavi Goel, Clement Farabet, Joelle Barral, Tris Warkentin, Jonathon Shlens, David Fleet, Victor Cotruta, Omar Sanseviero, Gus Martins, Phoebe Kirk, Anand Rao, Shravya Shetty, David F. Steiner, Can Kirmizibayrak, Rory Pilgrim, Daniel Golden, Lin Yang 4/8/2026

MedGemma Technical Report

MedGemma is a medical vision-language foundation model collection designed for healthcare AI tasks with privacy preservation.

Ax Fang Wu, Xu Huang, Weihao Xuan, Zhiwei Zhang, Yijia Xiao, Guancheng Wan, Xiaomin Li, Bing Hu, Peng Xia, Jure Leskovec, Yejin Choi 4/8/2026

Multiplayer Nash Preference Optimization

Extends Nash learning from human feedback to multiplayer setting, addressing non-transitive and heterogeneous preference capture in LLM alignment.

Ax Haoran Sun, Yongjian Guo, Zhong Guan, Shuai Di, Xiaodong Bai, Jing Long, Tianyun Zhao, Mingxi Luo, Hongke Zhao, Likang Wu, Xiaotie Deng, Xu Chu, Xi Xiao, Sheng Wen, Yicheng Gong, Junwu Xiong 4/8/2026

RL-VLA$^3$: A Flexible and Asynchronous Reinforcement Learning Framework for VLA Training

Asynchronous reinforcement learning framework for vision-language-action model training, enabling flexible post-training optimization for embodied agents.

Ax Xue Liu, Xin Ma, Yuxin Ma, Yongchang Peng, Duo Wang, Zhoufutu Wen, Ge Zhang, Kaiyuan Zhang, Xinyu Chen, Tianci He, Jiani Hou, Liang Hu, Ziyun Huang, Yongzhe Hui, Jianpeng Jiao, Chennan Ju, Yingru Kong, Yiran Li, Mengyun Liu, Luyao Ma, Fei Ni, Yiqing Ni, Yueyan Qiu, Yanle Ren, Zilin Shi, Zaiyuan Wang, Wenjie Yue, Shiyu Zhang, Xinyi Zhang, Kaiwen Zhao, Zhenwei Zhu, Shanshan Wu, Qi Zhao, Wenhao Huang 4/8/2026

Xpertbench: Expert Level Tasks with Rubrics-Based Evaluation

High-fidelity benchmark with rubrics-based evaluation assessing LLMs on expert-level complex open-ended tasks across multiple domains.

Ax Saad Alqithami 4/8/2026

Soft Tournament Equilibrium

Theoretical framework for evaluating cyclic non-transitive interactions between LLM-based agents using equilibrium concepts instead of linear rankings.

Ax Jingyang Qiao, Weicheng Meng, Yu Cheng, Zhihang Lin, Zhizhong Zhang, Xin Tan, Jingyu Gong, Kun Shao, Yuan Xie 4/8/2026

Memory Intelligence Agent

Memory system for deep research agents that improves trajectory retrieval and memory evolution to enhance LLM reasoning and autonomous learning.

Ax Kutay Tire, Ege Onur Taga, Muhammed Emrullah Ildiz, Samet Oymak 4/8/2026

Retrieval Augmented Time Series Forecasting

Retrieval-augmented generation applied to time-series foundation models for zero-shot forecasting across domains.

Ax Hammad Ayyubi, Junzhang Liu, Ali Asgarov, Zaber Ibn Abdul Hakim, Najibul Haque Sarker, Zhecan Wang, Chia-Wei Tang, Hani Alomari, Md. Atabuzzaman, Xudong Lin, Naveen Reddy Dyava, Shih-Fu Chang, Chris Thomas 4/8/2026

ENTER: Event Based Interpretable Reasoning for VideoQA

ENTER system uses event graphs for interpretable Video QA with code generation and contextual reasoning.

Ax Chaofan Pan, Xin Yang, Yanhua Li, Wei Wei, Tianrui Li, Bo An, Jiye Liang 4/8/2026

A Survey of Continual Reinforcement Learning

Survey of continual reinforcement learning covering sequential decision-making, generalization, and adaptation across dynamic tasks.