Stratified GRPO: Handling Structural Heterogeneity in Reinforcement Learning of LLM Search Agents Paper • 2510.06214 • Published Oct 7 • 1
From Noisy Traces to Stable Gradients: Bias-Variance Optimized Preference Optimization for Aligning Large Reasoning Models Paper • 2510.05095 • Published Oct 6 • 1
TGDPO: Harnessing Token-Level Reward Guidance for Enhancing Direct Preference Optimization Paper • 2506.14574 • Published Jun 17 • 1
MiCo: Multi-image Contrast for Reinforcement Visual Reasoning Paper • 2506.22434 • Published Jun 27 • 10