Ax Dongqi Liu, Hang Ding, Qiming Feng, Xurong Xie, Zhucun Xue, Chengjie Wang, Jian Li, Jiangning Zhang, Yabiao Wang 4/14/2026

Disco-RAG: Discourse-Aware Retrieval-Augmented Generation

Disco-RAG improves retrieval-augmented generation by capturing discourse structure and synthesizing knowledge from dispersed evidence.

Ax Changhyeok Choi, Yunheng Zou, Marcel M\"uller, Han Hao, Yeonghun Kang, Juan B. P\'erez-S\'anchez, Ignacio Gustin, Hanyong Xu, Andrew Wang, Mohammad Ghazi Vakili, Chris Crebolder, Al\'an Aspuru-Guzik, Varinia Bernales 4/14/2026

El Agente Estructural: An Artificially Intelligent Molecular Editor

El Agente Estructural multimodal agent for autonomous molecular geometry generation and manipulation using natural language and vision.

Ax Yifei Zhang, Xu Yang, Xiao Yang, Bowen Xian, Qizheng Li, Shikai Fang, Jingyuan Li, Jian Wang, Mingrui Xu, Weiqing Liu, Jiang Bian 4/14/2026

Reasoning as Gradient: Scaling MLE Agents Beyond Tree Search

Gome agent for machine learning engineering using gradient-based optimization instead of tree search, scaling LLM-based reasoning.

Ax Charles Ye, Jasmine Cui, Dylan Hadfield-Menell 4/14/2026

Prompt Injection as Role Confusion

Analysis of prompt injection attacks as role confusion where models infer text source by content style rather than origin.

Ax Yuanhe Zhang, Xinyue Wang, Zhican Chen, Weiliu Wang, Zilu Zhang, Zhengshuo Gong, Zhenhong Zhou, Kun Wang, Li Sun, Yang Liu, Sen Su 4/14/2026

Resource Consumption Threats in Large Language Models

Survey of resource consumption threats in LLMs including excessive generation attacks, resource efficiency requirements, and mitigation strategies.

Ax Dun Yuan, Fuyuan Lyu, Ye Yuan, Weixu Zhang, Bowei He, Jiayi Geng, Linfeng Du, Zipeng Sun, Yankai Chen, Changjiang Han, Jikun Kang, Xi Chen, Haolun Wu, Xue Liu 4/14/2026

Beyond Message Passing: A Semantic View of Agent Communication Protocols

Framework analyzing agent communication protocols for LLM systems across three layers: communication, syntactic, and semantic. Systematically organizes 18 representative protocols.

Ax Daniele Solombrino, Antonio Andrea Gargiulo, Adrian Robert Minut, Luca Zhou, Alessandro Zirilli, Emanuele Rodol\`a 4/14/2026

Zero-Shot Quantization via Weight-Space Arithmetic

Zero-shot quantization method using weight-space arithmetic to improve post-training quantization robustness across models.

Ax Manish Bhatt, Sarthak Munshi, Vineeth Sai Narajala, Idan Habler, Ammar Al-Kahfah, Ken Huang, Joel Webb, Blake Gatto, Md Tamjidul Hoque 4/14/2026

The Defense Trilemma: Why Prompt Injection Defense Wrappers Fail?

Theoretical analysis proving limitations of continuous wrapper defenses against prompt injection attacks in LLMs.