mlsanityData to 14 Oct 2026

When Do Neural Networks Learn World Models?

arXiv 2502.09297 ↗First posted 13 Feb 2025cs.LGcited by 8

On the map: World models → World models for language agents

Abstract (arXiv)

Humans develop world models that capture the underlying generation process of data. Whether neural networks can learn similar world models remains an open problem. In this work, we present the first theoretical results for this problem, showing that in a multi-task setting, models with a low-degree bias provably recover latent data-generating variables under mild assumptions--even if proxy tasks involve complex, non-linear functions of the latents. However, such recovery is sensitive to model architecture. Our analysis leverages Boolean models of task solutions via the Fourier-Walsh transform and introduces new techniques for analyzing invertible Boolean transforms, which may be of independent interest. We illustrate the algorithmic implications of our results and connect them to related research areas, including self-supervised learning, out-of-distribution generalization, and the linear representation hypothesis in large language models.

Key facts. Cited by 8 papers in the map (data through 14 Oct 2026). Placed in World models for language agents, one of 11 directions in World models. Builds on 68 of its 96 references that are in the map. First posted on arXiv 13 Feb 2025.

Builds on

68 of 96 references.

Closest ancestors · 7

Same direction, newest first

  1. 2024Making Large Language Models into World Models with Precondition and Effect Knowledge18 Sep
  2. 2024Robust agents learn causal world models16 Feb
  3. 2023From task structures to world models: What do LLMs know?6 Oct
  4. 2023Emergent Linear Representations in World Models of Self-Supervised Sequence Models2 Sep
  5. 2023From Word Models to World Models: Translating from Natural Language to the Probabilistic Language of Thought22 Jun
  6. 2023Emergent Representations of Program Semantics in Language Models Trained on Programs18 May
  7. 2020Language Models are Few-Shot Learners28 May

Other references · 61

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50 most cited of 61 All 61 (JSON)

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Cited by year (2026 to 14 Oct)

Citing papers per year: 2025: 3; 2026: 5.

8 papers.

Similar, not cited

Close in wording, no citation either way

  1. 2025What Does it Mean for a Neural Network to Learn a "World Model"?
  2. 2026Discrete World Models via Regularization
  3. 2025Better World Models Can Lead to Better Post-Training Performance
  4. 2026Task Ecologies and the Evolution of World-Tracking Representations in Large Language Models
  5. 2024Transformers Use Causal World Models in Maze-Solving Tasks
  6. 2024Disentangling Representations through Multi-task Learning
  7. 2025Information Structure in Mappings: An Approach to Learning, Representation, and Generalisation
  8. 2025Characterising the Inductive Biases of Neural Networks on Boolean Data