collaborators

11 papers

cs.CL2026

Less Uniform Discrete Diffusion is More Powerful and Scalable

Kaibo Wang, Ding Ding, Fangyu Ding +5

Although uniform diffusion language models (UDLMs) represent a promising diffusion paradigm, scaling them remains challenging. We identify the core obstacle as an over-uniform trai…

cs.CL2026

Exploring More to Solve More: Boosting Diversity in Text Diffusion Models via Entropy-Based Guidance

Jingwei Zhang, Haoyu Lei, Zijin Feng +2

Although diffusion models have revolutionized continuous domains like image synthesis through high quality generations and controllable guidance mechanisms, bringing this controlla…

cs.LG2026

Stabilizing Reinforcement Learning for Diffusion Language Models

Jianyuan Zhong, Kaibo Wang, Ding Ding +5

Group Relative Policy Optimization (GRPO) is highly effective for post-training autoregressive (AR) language models, yet its direct application to diffusion large language models (…

cs.CL2026

Beyond Masks: Efficient, Flexible Diffusion Language Models via Deletion-Insertion Processes

Fangyu Ding, Ding Ding, Sijin Chen +8

While Masked Diffusion Language Models (MDLMs) relying on token masking and unmasking have shown promise in language modeling, their computational efficiency and generation flexibi…

cs.AI2025

HERMES: Towards Efficient and Verifiable Mathematical Reasoning in LLMs

Azim Ospanov, Zijin Feng, Jiacheng Sun +3

Informal mathematics has been central to modern large language model (LLM) reasoning, offering flexibility and efficient construction of arguments. However, purely informal reasoni…

cs.AI2025

ProofFlow: A Dependency Graph Approach to Faithful Proof Autoformalization

Rafael Cabral, Tuan Manh Do, Xuejun Yu +3

Proof autoformalization, the task of translating natural language theorems and proofs into machine-verifiable code, is a critical step for integrating large language models into ri…

cs.LG2025

Masked Diffusion Models as Energy Minimization

Sitong Chen, Shen Nie, Jiacheng Sun +4

We present a systematic theoretical framework that interprets masked diffusion models (MDMs) as solutions to energy minimization problems in discrete optimal transport. Specificall…

cs.CL2025

Counterspeech for Mitigating the Influence of Media Bias: Comparing Human and LLM-Generated Responses

Luyang Lin, Zijin Feng, Lingzhi Wang +1

Biased news contributes to societal polarization and is often reinforced by hostile reader comments, constituting a vital yet often overlooked aspect of news dissemination. Our stu…

cs.AI2025

Mathesis: Towards Formal Theorem Proving from Natural Languages

Yu Xuejun, Jianyuan Zhong, Zijin Feng +17

Recent advances in large language models show strong promise for formal reasoning. However, most LLM-based theorem provers have long been constrained by the need for expert-written…

cs.LG2025

Any-Order GPT as Masked Diffusion Model: Decoupling Formulation and Architecture

Shuchen Xue, Tianyu Xie, Tianyang Hu +5

Efficiently scaling Large Language Models (LLMs) necessitates exploring alternatives to dominant autoregressive (AR) methods, with Masked Diffusion Models (MDMs) emerging as candid…

cs.LG2025

Variational Autoencoding Discrete Diffusion with Enhanced Dimensional Correlations Modeling

Tianyu Xie, Shuchen Xue, Zijin Feng +4

Discrete diffusion models have recently shown great promise for modeling complex discrete data, with masked diffusion models (MDMs) offering a compelling trade-off between quality…