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New Laplacian Representation Enhances Reinforcement Learning Planning

Researchers have introduced Laplacian Representations for Decision-Time Planning (ALPS), a new hierarchical planning algorithm designed for model-based reinforcement learning. ALPS utilizes the Laplacian representation to capture state-space distances across multiple time scales, effectively decomposing long-horizon problems into subgoals and reducing compounding errors. The algorithm has demonstrated superior performance on offline goal-conditioned RL tasks from the OGBench benchmark, outperforming previously dominant model-free methods. AI

IMPACT Introduces a novel approach to planning in reinforcement learning that could improve agent performance on complex, long-horizon tasks.

RANK_REASON The cluster contains a research paper detailing a new algorithm and benchmark results. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

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COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Dikshant Shehmar, Matthew Schlegel, Matthew E. Taylor, Marlos C. Machado ·

    Laplacian Representations for Decision-Time Planning

    arXiv:2602.05031v2 Announce Type: replace Abstract: Planning with a learned model remains a key challenge in model-based reinforcement learning (RL). In decision-time planning, state representations are critical as they must support local cost computation while preserving long-ho…