Skip to content

Author

Karthik Narasimhan

We have 3 of 70 papers

We haven’t gathered this author’s papers yet. Follow them and we’ll fetch their work.

Not the right person? Other researchers publish under this name.

#machine learning Preprint Sep 2026

EasyPPO: Stabilizing the Critic Is Key

A key strength of Proximal Policy Optimization (PPO) is its learned critic, which uses historical trajectories collected during reinforcement learning to estimate expected returns and reduce policy-gradient variance. However, we find that the critic is also a major source of instability in reinforcement learning for la...

Xuan-Yi Zhou, Qiu-Yang Mang, Huan-Zhi Mao et al. · 0 citations
#artificial intelligence Preprint Sep 2026

How does Adversarial Influence Scale in Multi-Agent Systems?

It is shown that adding more agents is not a sufficient defense, because the adversary can simply scale with the group, and that allowing deceivers to coordinate privately can make them less effective.

Addison J. Wu, Jasin Cekinmez, Michel Liao et al. · 0 citations
Jul 2026

LeAct: Learning to Reason from Expert Actions

The approach, LeAct (Learning to reason from Actions), optimizes this latent variable: the student samples candidate CoTs for each expert action, and the student retains those that measurably improve its own probability of recovering the action.

Ziran Yang, Chengshuai Shi, Raj Ghugare et al. · 0 citations

We use cookies to run the site and, with your consent, for analytics and to show ads. See our Cookie Policy.