Author

Kai Chen

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#artificial intelligence Jun 2026

Libra: Efficient Resource Management for Agentic RL Post-Training

Libra is presented, an adaptive runtime for agentic RL post-training with two complementary components: intra-stage scheduling via a Causality-Guided Bucket Scheduler that routes requests across execution buckets with different parallelism configurations, reducing delays from rollout stragglers; and cross-stage coordin...

Kai Chen, Xin Tan, Jingzong Li et al. · arXiv.org · 3 citations · ⚡1

#artificial intelligence Preprint Dec 2025

Achieving Olympiad-Level Geometry Large Language Model Agent via Complexity Boosting Reinforcement Learning

This work makes the first attempt to build a medalist-level LLM agent for geometry and presents InternGeometry, which solves 44 of 50 IMO geometry problems (2000-2024), exceeding the average gold medalist score, using only 13K training examples, just 0.004% of the data used by AlphaGeometry 2.

Hai-Teng Zhao, Junhao Shen, Yiming Zhang et al. · 7 citations · ⚡1