Ax Jinhe Bi, Aniri, Minglai Yang, Xingcheng Zhou, Wenke Huang, Sikuan Yan, Yujun Wang, Zixuan Cao, Michael F\"arber, Xun Xiao, Volker Tresp, Yunpu Ma 6/1/2026

EchoRL: Reinforcement Learning via Rollout Echoing

Reinforcement learning method via rollout echoing addresses reward signal collapse in LLM post-training for improved reasoning capabilities.

Ax Walter Nelson, Theofanis Karaletsos, Francesco Locatello 6/1/2026

Toward Identifiable Sparse Autoencoders

Sparse autoencoders for interpreting neural network representations lack stability across training runs; characterizes instability sources and proposes solutions.

Ax Wenshuo Dong, Jiaming Zhang, Shaopneg Fu, Hongbin Lin, Di Wang, Lijie Hu 6/1/2026

Algorithmic Recourse of In-Context Learning for Tabular Data

In-context learning enables LLMs to perform tabular prediction without fine-tuning; studies post-hoc recourse methods for high-stakes predictions on tabular data.

Ax Ruihang Lai, Hao Kang, Haozhan Tang, Akaash R. Parthasarathy, Zichun Yu, Junru Shao, Todd C. Mowry, Chenyan Xiong, Tianqi Chen 6/1/2026

PithTrain: A Compact and Agent-Native MoE Training System

Compact MoE training framework designed to be agent-native, enabling AI coding agents to automate training-framework development for mixture-of-experts models.

Ax Daria Fomina, Daniil Krasylnikov, Alexey Boykov, Andrey Dolgovyazov, Vyacheslav Zhdanovskiy, Fedor Velikonivtsev 6/1/2026

On Efficient Scaling of GNNs via IO-Aware Layers Implementations

Research on optimizing Graph Neural Network scalability through I/O-aware kernel implementations to reduce memory bottlenecks in sparse, irregular computations.

Ax Zhikun Xu, Yu Feng, Jacob Dineen, Taiwei Shi, Jieyu Zhao, Ben Zhou 6/1/2026

Skill Reuse as Compression in Agentic RL

ReuseRL framework for training LLM agents via RL using Minimum Description Length principle to learn reusable skill dictionaries.

Ax Julien Testu (UB, Mnemosyne), Pierrick Legrand (ENSC, Bordeaux INP), Xavier Hinaut (Mnemosyne) 6/1/2026

Evolutionary Algorithm for Reservoir Learning and Yielding

EARLY framework using evolutionary algorithms to optimize architecture and hyperparameters of Echo State Networks for temporal learning tasks.

Ax Yujie Luo, Xiangyuan Ru, Jingsheng Zheng, Jingjing Wang, Yuqi Zhu, Jintian Zhang, Runnan Fang, Kewei Xu, Ye Liu, Zheng Wei, Jiang Bian, Zang Li, Shumin Deng 6/1/2026

Exploring Autonomous Agentic Data Engineering for Model Specialization

Framework for autonomous LLM-based agents to execute end-to-end data engineering pipelines for model specialization without human-designed workflows.

Ax Nirajan Paudel, Michael Ginn, Luc De Nardi, Alexis Palmer 6/1/2026

Speculative Decoding Across Languages

Compares strategies to improve speculative decoding efficiency for multilingual LLM inference, addressing poor draft model performance in non-English languages.

Ax Aritra Dasgupta, Naga Datha Saikiran Battula, Avina Nakarmi, Sohom Sen, Subhodeep Ghosh, Xun Song 6/1/2026

Rationalize: Shared Semantic Reasoning for Human-AI Alignment

Rationalize framework enables shared semantic reasoning between humans and LLMs through complementary role pairs for collaborative data-driven sensemaking.

Ax Erick Oliveira Rodrigues, Aura Conci 6/1/2026

Mathematical Morphology in Machine Learning

Applies mathematical morphology theory to clustering algorithm preserving shape/density with intrinsic noise removal and diverse growth patterns.