Author

Varun Chandrasekaran

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#artificial intelligence Preprint Sep 2026

Targeting Pivotal Decisions for Credit Assignment in Agentic Reinforcement Learning

ProVer, a framework that targets potentially pivotal decisions for fine-grained credit assignment in agentic reinforcement learning, is introduced, highlighting the effectiveness and efficiency of selectively targeting pivotal decisions for fine-grained credit assignment in agentic reinforcement learning.

Dongwon Jung, H. Ramesh, Yi-Fan Wang et al. · 0 citations

Jul 2026

AgentAbstain: Do LLM Agents Know When Not to Act?

This work presents the first systematic evaluation framework for agentic abstention, and identifies failure modes such as post-hoc abstention, in which agents execute irreversible actions before recognizing abstention triggers.

Xun Liu, Y. Zhang, Vira Kasprova et al. · arXiv.org · 2 citations