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ARC Learns Dynamic Agent Configurations

ARC Learns Dynamic Agent Configurations

ARC introduces a reinforcement learning policy to dynamically configure LLM-based agent systems per query, selecting optimal workflows, tools, and prompts. It outperforms fixed templates on reasoning and tool-augmented QA benchmarks. The approach boosts accuracy by up to 25% while cutting token and runtime costs.

ArXiv AIResearchFeb 13#research#arc#llm-agents
Robust Policy Optimization for Recommendations

Robust Policy Optimization for Recommendations

DRPO tackles model collapse in off-policy generative recommendation via optimistic distributionally robust optimization. Proves hard filtering recovers high-quality data from noisy logs. Achieves SOTA on mixed-quality benchmarks.

ArXiv AIResearchFeb 12#research#drpo#v1
PiT-PO Boosts Equation Discovery with RL

PiT-PO Boosts Equation Discovery with RL

PiT-PO uses reinforcement learning to evolve LLMs for symbolic regression, enforcing physical validity and parsimony. It treats LLMs as adaptive generators updated by search feedback. Achieves SOTA on benchmarks and discovers novel turbulence models.

ArXiv AIResearchFeb 12#research#pit-po#v1
NSAM: Neuro-Symbolic Action Masking in DRL

NSAM: Neuro-Symbolic Action Masking in DRL

NSAM learns symbolic models and action masks automatically during DRL to avoid infeasible actions. It integrates symbolic reasoning with deep policy optimization mutually. Evaluations show improved sample efficiency and fewer violations.

ArXiv AIResearchFeb 12#research#nsam#v1
Blockwise Advantages for Multi-Objective RL

Blockwise Advantages for Multi-Objective RL

Introduces Blockwise Advantage Estimation for GRPO in structured generations, assigning per-objective advantages to avoid interference. Uses Outcome-Conditioned Baseline to estimate advantages without nested rollouts. Competitive on math tasks with uncertainty estimation.

ArXiv AIResearchFeb 12#research#grpo#v1