Author

Yichen Guo

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#artificial intelligence Review Oct 2026

S$^2$-MAS: A Society-Scale Multi-Agent Simulation Framework with 500 Million Household Persona Agents

Simulating economic responses at society scale requires agents whose decisions reflect household circumstances and the effects of earlier actions. We introduce S$^2$-MAS, a society-scale multi-agent simulation framework built on 500 million synthetic household personas grounded in real-survey data. Its Genese engine se...

Yang Li, Yi-Ke Wang, Diane Wan et al. · 0 citations

Preprint Oct 2026

LAW: Unifying Language, Action, and World Modeling for Agentic Physical Intelligence

LAW, a closed-loop VLM--WAM framework that unifies language reasoning, action generation, and world modeling through semantic subtask progress, is presented, establishing a new open-source state of the art on RoboTwin.

Jia-Jun Cao, Kai Tang, Bo-Hua Zhang et al. · 0 citations

Preprint Aug 2026

Do Robotic World Models Really Follow Actions? Diagnosing and Aligning Action-Conditioned Generation for Policy Learning

WorldEcho is introduced, which probes action following over a broader action distribution using visual integrity and SE(3) trajectory alignment, and WorldSync is proposed, which strengthens action following along three complementary axes: distributional coverage, representational grounding, and intervention-effect alig...

Si-Xiang Chen, Jia-Ming Liu, Ji-Xin Wu et al. · 2 citations · ⚡1