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Yongxin Chen

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#artificial intelligence Preprint Oct 2026

Large Language Continuous Diffusion Models

Despite the success of discrete diffusion language models (dLMs) for fast parallel decoding, their non-smooth, high-dimensional space hinders trajectory steering for reasoning and inference acceleration. To overcome this, we present Sigma, the first large-scale (3B/8B) continuous dLM built on steerable, low-dimensional...

Zhi-Han Yang, Wei Guo, Jean-Marie Lemercier et al. · 0 citations
#artificial intelligence Review May 2026

RMA: Context-Orchestrated Research Math Agents

RMA is an agentic framework for long-horizon proof development built around a persistent, typed research store and an orchestrator that compiles operation-specific context from that store and an orchestrator that compiles operation-specific context from that store.

Ze-Li Zhao, Bo Yuan, Yuchen Zhu et al. · 6 citations

Continuous Diffusion Scales Competitively with Discrete Diffusion for Language

The first scaling law for continuous DLMs that rivals discrete DLMs is established: RePlaid exhibits a compute gap of only $20\times$ compared to autoregressive models, outperforms Duo while using fewer parameters, and outperforms MDLM in the over-trained regime.

Zhi-Han Yang, Wei Guo, Shuibai Zhang et al. · 12 citations · ⚡2
#machine learning Preprint Aug 2026

Scaling Reinforcement Learning for Diffusion Models via Velocity Matching

This work proposes reward-based velocity matching (RVM), a simple trajectory-free update that acts directly on the velocity field and provides a general framework that recovers recent fine-tuning methods, including RAM and DiffusionNFT, as special cases.

Jaemoo Choi, Wei Guo, Yuchen Zhu et al. · 1 citation

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