Policy Learning

MARPO: A Reflective Policy Optimization for Multi-Agent Reinforcement Learning AAAI 2026 MASPO: Unifying Gradient Utilization, Probability Mass, and Signal Reliability for Robust and Sample-Efficient LLM Reasoning ACL 2026 MDP-GRPO: Stabilized Group Relative Policy Optimization for Multi-Constraint Instruction Following ACL 2026 Mesh-Pro: Asynchronous Advantage-guided Ranking Preference Optimization for Artist-style Quadrilateral Mesh Generation CVPR 2026 Misalignment from Treating Means as Ends AAAI 2026 MoE-GRPO: Optimizing Mixture-of-Experts via Reinforcement Learning in Vision-Language Models CVPR 2026 MorphSeek: Fine-grained Latent Representation-Level Policy Optimization for Deformable Image Registration CVPR 2026 MTRL-CG: Multi-Task Reinforcement Learning Method with Spectral Clustering-Based Task Grouping AAAI 2026 Policy Newton Methods for Distortion Riskmetrics AAAI 2026 Policy Zooming: Adaptive Discretization-based Infinite-Horizon Average-Reward Reinforcement Learning AAAI 2026 Proactive Constrained Policy Optimization with Preemptive Penalty AAAI 2026 Proximal Policy Optimization Suffices for On-Policy Reinforcement Learning UAI 2026 Qualitative Analysis of ω-Regular Objectives on Robust MDPs AAAI 2026 R-4B: Incentivizing General-Purpose Auto-Thinking in MLLMs via Bi-Mode Annealing and Reinforce Learning CVPR 2026 ReasonAct: Progressive Training for Fine-Grained Video Reasoning in Small Models AAAI 2026 Revealing POMDPs: Qualitative and Quantitative Analysis for Parity Objectives AAAI 2026 Reward Model Evaluation via Automatically-Ranked Policy Alignment AAAI 2026 RL-Studio: A System for Multi-Phase Reinforcement Learning Experimentation AAAI 2026 Safe Control using Learned Safety Filters and Adaptive Conformal Inference L4DC 2026 Seeing What Matters: Visual Preference Policy Optimization for Visual Generation CVPR 2026 SharedRep-RLHF: A Shared Representation Approach to RLHF with Diverse Preferences AAAI 2026 SPARKLE: A Structured and Plug-and-play Agentic Retrieval Policy for Adaptive RAG Models ACL 2026 SRPO: Self-Referential Policy Optimization for Vision-Language-Action Models CVPR 2026 Stability-Aware Reinforcement Learning for Robust Class Integration Test Order Generation AAAI 2026 Stabilizing Policy Gradient Methods via Reward Profiling AAAI 2026