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cs.RO2026
ATLAS: Aligned Transport of Latent Structure for Reliable World Model Planning
Ke Fang, Yupu Yao, Lu Cheng
Latent world models rely on representation geometry for planning, yet regularizing the latent marginal alone does not determine the state-to-state relationships used for action sel…
cs.CL2026
When and What to Ask: AskBench and Rubric-Guided RLVR for LLM Clarification
Jiale Zhao, Ke Fang, Lu Cheng
Large language models (LLMs) often respond even when prompts omit critical details or include misleading information, leading to hallucinations or reinforced misconceptions. We stu…