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cs.LG2026
Write-Protected Discrete Bottlenecks for Language-Grounded World Models: A Structural Limitation and Sufficient Fix
Jiayi Fang
How should language interface with a world model's discrete symbol system? The dominant paradigm -- end-to-end injection of LLM/VLM features into robot world models (RT-2, Octo, Pa…
cs.LG2026
Emergent Semantic Representations in World Models through Physical Interaction without Linguistic Supervision
Jiayi Fang
What does a world model learn from physical exploration, without any linguistic supervision? We argue the answer is organized by a single principle: the geometric structure of the…