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Transformers can implement Q-learning, new research shows

Researchers have theoretically demonstrated that a two-layer, attention-only Transformer can implement a form of Q-learning, a reinforcement learning algorithm. This implementation approximates greedy action selection, with the approximation level controlled by a temperature parameter. Experiments showed that the predicted parameter structure emerged during training on randomly generated Markov decision process tasks, achieving performance comparable to traditional Q-learning on unseen tasks. AI

IMPACT This research suggests that transformers can learn and execute complex reinforcement learning algorithms, potentially enabling more sophisticated AI agents.

RANK_REASON The cluster contains an academic paper detailing theoretical and experimental findings on AI algorithms. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.AI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Transformers can implement Q-learning, new research shows

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18 / 100
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The cluster contains an academic paper detailing theoretical and experimental findings on AI algorithms. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.AI TIER_1 English(EN) · Yingjun Mo, Yajie Zhao, Fang Kong ·

    From Policy Evaluation to Off-Policy Control: Provable Emergence of In-Context Q-Learning

    arXiv:2610.18057v1 Announce Type: cross Abstract: Transformers can implement reinforcement-learning algorithms in context, yet how off-policy control emerges within Transformers remains poorly understood. We study Q-learning, a foundational model-free control algorithm that combi…