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Ligeng Zhu

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#artificial intelligence Preprint Oct 2026

VICO: Visual Environments Co-Evolving for Vision-Language Model Reasoning

Reinforcement learning with verifiable rewards (RLVR) has become a standard recipe for post-training vision-language models (VLMs), but it typically assumes a static training environment. As the actor improves, fixed tasks drift out of its learning frontier: many become trivial, others remain unsolvable; and the learni...

Meng Lu, Li-Geng Zhu, Olivia C. Xiao et al. · 0 citations

DC-Gen: Post-Training Diffusion Acceleration with Deeply Compressed Latent Space

DC-Gen, a general framework that accelerates text-to-image diffusion models by leveraging a deeply compressed latent space, uses an efficient post-training pipeline to preserve the quality of the base model to reduce the latency of 4K image generation.

Wen-Kun He, Yuchao Gu, Jun-Yu Chen et al. · 9 citations · ⚡1
#small language model Preprint Aug 2026

Parason: Revealing Subtask and Trial Parallelism in LLM Reasoning

Parason is introduced, which reveals and learns both forms of parallelism in LLM reasoning, and identifies Trial Parallelism as the majority of parallelizable reasoning computation, and it becomes increasingly dominant on hard problems.

Zhengyang Zhang, Zijian Zhang, Jiaxuan Gao et al. · 0 citations

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