Experiments on three open-source LLMs show that persona activations form a manifold with heterogeneous curvature, geodesic distance predicts behavioral similarity more accurately than Euclidean alternatives with independent contributions from anisotropy and curvature, and geodesic steering produces more coherent interm...
This work proposes OSPD, an on-policy self-distillation framework where the same model serves as both teacher and student under asymmetric information: the teacher receives a complete character profile while the student sees only a brief summary, and the student generates trajectories from its own policy.
Rui Xu, Yikai Zhang, Ai-Li Chen et al.· 0 citations
PolyBridgeBench, an executable benchmark for multimodal bridge design, is introduced, an executable benchmark for multimodal bridge design that returns temporal visual evidence from the failed rollout and evaluates repair under a fixed interaction budget.
Zi-Cheng Zhao, Dong Chen, Rui Xu et al.· 0 citations
This work presents Infinity-Parser2, a large multimodal model that couples a controllable data-synthesis pipeline with multi-task reinforcement learning for end-to-end document parsing, addressing the persistent scarcity of faithfully annotated parsing corpora.
Zuming Huang, Jun Huang, Kexuan Ren et al.· arXiv.org· 1 citation
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