Ax Haihua Luo, Xuming Ran, Tommi K\"arkk\"ainen, Huiyan Xue, Zhonghua Chen, Qi Xu, Fengyu Cong 3/13/2026

Representation Finetuning for Continual Learning

Parameter-efficient fine-tuning approach for continual learning that controls representation-level adaptation in pretrained models.

Ax Jonas Mirlach, Sonia Laguna, Julia E. Vogt 3/13/2026

Reference-Guided Machine Unlearning

Machine unlearning method using reference-guided approach to remove data influence from trained models while preserving utility.

Ax Mario Sayde, Christopher Khater, Jihad Fahs, Ibrahim Abou-Faycal 3/13/2026

Heavy-Tailed Principle Component Analysis

Heavy-tailed PCA variant for robust dimensionality reduction on data with impulsive noise and heavy-tailed distributions.

Ax Teng Xiao, Yige Yuan, Hamish Ivison, Huaisheng Zhu, Faeze Brahman, Nathan Lambert, Pradeep Dasigi, Noah A. Smith, Hannaneh Hajishirzi 3/13/2026

Meta-Reinforcement Learning with Self-Reflection for Agentic Search

MR-Search: meta-reinforcement learning framework for agentic search with self-reflection, enabling agents to improve in-context exploration.

Ax Yunni Qu (The University of North Carolina at Chapel Hill), Dzung Dinh (The University of North Carolina at Chapel Hill), Grant King (University of Michigan), Whitney Ringwald (University of Minnisota Twin Cities), Bing Cai Kok (The University of North Carolina at Chapel Hill), Kathleen Gates (The University of North Carolina at Chapel Hill), Aiden Wright (University of Michigan), Junier Oliva (The University of North Carolina at Chapel Hill) 3/13/2026

Relaxed Efficient Acquisition of Context and Temporal Features

Longitudinal active feature acquisition method for optimizing predictive performance when measurements incur cost or risk.

Ax Andr\'es G. Mej\'ia Ram\'on, Kate Dudgeon, Nina Witteveen, Dolores Piperno, Michael Kloster, Luigi Palopoli, M\'onica Moraes R., Jos\'e M. Capriles, Umberto Lombardo 3/13/2026

Leveraging Phytolith Research using Artificial Intelligence

Sorometry pipeline for automated phytolith analysis using AI to digitize and classify microscope images, replacing manual labor-intensive analysis.

Ax Qijun Liao (School of Mechanical Engineering, University of Science and Technology Beijing, China), Jue Yang (School of Mechanical Engineering, University of Science and Technology Beijing, China), Yiting Kang (School of Mechanical Engineering, University of Science and Technology Beijing, China), Xinxin Zhao (School of Mechanical Engineering, University of Science and Technology Beijing, China), Yong Zhang (Jiangsu XCMG Construction Machinery Research Institute Co., Ltd., China), Mingan Zhao (Jiangsu XCMG Construction Machinery Research Institute Co., Ltd., China) 3/13/2026

Hybrid Energy-Aware Reward Shaping: A Unified Lightweight Physics-Guided Methodology for Policy Optimization

H-EARS combines potential-based reward shaping with energy-aware regularization for efficient deep reinforcement learning control.

Ax J\'er\^ome Adriaens (Neuroengineering Lab, Department of Electrical Engineering and Computer Science, University of Li\`ege), Guillaume Drion (Neuroengineering Lab, Department of Electrical Engineering and Computer Science, University of Li\`ege), Pierre Sacr\'e (Neuroengineering Lab, Department of Electrical Engineering and Computer Science, University of Li\`ege) 3/13/2026

Context-dependent manifold learning: A neuromodulated constrained autoencoder approach

Neuromodulated constrained autoencoders for context-dependent dimensionality reduction in varying environments.

Ax Aleksei Petrenko, Ben Lipkin, Kevin Chen, Erik Wijmans, Marco Cusumano-Towner, Raja Giryes, Philipp Kr\"ahenb\"uhl 3/13/2026

Entropy-Preserving Reinforcement Learning

Policy gradient methods for LLM reasoning naturally reduce trajectory diversity; proposes entropy-preserving training approach.