A world model learns to forecast how a physical system evolves from recorded trajectories, yet the systems it imitates obey physical laws that are neither fully supplied nor reliably respected. The model may create energy, drift or diverge over long rollouts, and answer a changed law query using the law observed during...
Yu-Feng Wang, Parivesh Priye, Lu Wei et al.· 0 citations
How many directions in weight space does training need? The intrinsic dimension answers this with the smallest number of random directions in which training still reaches a target accuracy, and small values have motivated parameter-efficient methods such as LoRA. We measure it for variational Monte Carlo (VMC), which t...
Lu Wei, Yu-Feng Wang, Chen-Feng Cao et al.· 0 citations
This work studies language-model synthesis of Clifford circuits, which prepare the stabilizer states used in quantum error correction and admit exact classical verification, in a target-conditioned framework.
Lu Wei, Yu-Feng Wang, Chen-Feng Cao et al.· 0 citations
This work makes the notion of availability computable through classical exact-binomial inversion and forms reporting-partition selection, under a fixed group order, as a dynamic program that exposes the trade-off among safety, granularity, and served traffic.
Parivesh Priye, Yu-Feng Wang, Hai-Bin Ling et al.· 0 citations
A concrete design principle for physical world models: long-horizon stability and changed-law generalization arise from distinct structural commitments, and each can be imposed deliberately without requiring the other.
Yu-Feng Wang, Parivesh Priye, Lu Wei et al.· 0 citations
GRPO-QPS is introduced, a target-preserving framework in which GRPO learns proposal behavior and an exact Metropolis correction preserves the posterior after training, which combines target-preserving Bayesian inference with broad gains over learned transport baselines and a sampling advantage when efficient exploratio...
Yu-Feng Wang, Parivesh Priye, Lu Wei et al.· 0 citations
The diagnosis prescribes the fix: keep the goal out of the dynamics and supervise the \emph{read} path, recovering genuine, instruction-independent grounding, and the detection protocol and remedy apply to any goal-conditioned world model whose instruction names the scored quantity.
Yufeng Wang, Lu Wei, Haibin Ling· 0 citations
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