activity
20242026
most citedThought calibration: Efficient and confident test-time scaling

1 citations · 2 across the 10 of their papers we have counts for

collaborators

12 papers

cs.AI2026

From Surfaces to Volumes: Registered Geometry for Protein Representation Learning

Siyuan Chen, Cai Zhou, Jinrui Zhang +8

Existing protein geometry models typically represent molecular surfaces using local geometric features such as sampled points, normals, and curvature. While effective for capturing…

cs.CL2026

HRM-Text: Efficient Pretraining Beyond Scaling

Guan Wang, Changling Liu, Chenyu Wang +6

The current pretraining paradigm for large language models relies on massive compute and internet-scale raw text, creating a significant barrier to foundational research. In contra…

cs.LG2026

Online Reasoning Calibration: Test-Time Training Enables Generalizable Conformal LLM Reasoning

Cai Zhou, Zekai Wang, Menghua Wu +6

While test-time scaling has enabled large language models to solve highly difficult tasks, state-of-the-art results come at exorbitant compute costs. These inefficiencies can be at…

cs.LG2026

Rethinking Diffusion Models with Symmetries through Canonicalization with Applications to Molecular Graph Generation

Cai Zhou, Zijie Chen, Zian Li +7

Many generative tasks in chemistry and science involve distributions invariant to group symmetries (e.g., permutation and rotation). A common strategy enforces invariance and equiv…

cs.RO2026

CLAP: Contrastive Latent Action Pretraining for Learning Vision-Language-Action Models from Human Videos

Chubin Zhang, Jianan Wang, Zifeng Gao +5

Generalist Vision-Language-Action models remain constrained by the scarcity of robotic data relative to the abundance of human video demonstrations. Existing Latent Action Models a…

cs.LG2025

On Powerful Ways to Generate: Autoregression, Diffusion, and Beyond

Chenxiao Yang, Cai Zhou, David Wipf +1

Diffusion language models have recently emerged as a competitive alternative to autoregressive language models. Beyond next-token generation, they are more efficient and flexible b…

cs.CL2025

Next Semantic Scale Prediction via Hierarchical Diffusion Language Models

Cai Zhou, Chenyu Wang, Dinghuai Zhang +4

In this paper we introduce Hierarchical Diffusion Language Models (HDLM) -- a novel family of discrete diffusion models for language modeling. HDLM builds on a hierarchical vocabul…

cs.CL2025

SPG: Sandwiched Policy Gradient for Masked Diffusion Language Models

Chenyu Wang, Paria Rashidinejad, DiJia Su +9

Diffusion large language models (dLLMs) are emerging as an efficient alternative to autoregressive models due to their ability to decode multiple tokens in parallel. However, align…

cs.AI2025

Coevolutionary Continuous Discrete Diffusion: Make Your Diffusion Language Model a Latent Reasoner

Cai Zhou, Chenxiao Yang, Yi Hu +7

Diffusion language models, especially masked discrete diffusion models, have achieved great success recently. While there are some theoretical and primary empirical results showing…

cs.LG2025

Learning Diffusion Models with Flexible Representation Guidance

Chenyu Wang, Cai Zhou, Sharut Gupta +4

Diffusion models can be improved with additional guidance towards more effective representations of input. Indeed, prior empirical work has already shown that aligning internal rep…

cs.LG2025★ 1 cited

Thought calibration: Efficient and confident test-time scaling

Menghua Wu, Cai Zhou, Stephen Bates +1

Reasoning large language models achieve impressive test-time scaling by thinking for longer, but this performance gain comes at significant compute cost. Directly limiting test-tim…

cs.LG2024★ 1 cited

FiTv2: Scalable and Improved Flexible Vision Transformer for Diffusion Model

ZiDong Wang, Zeyu Lu, Di Huang +4

\textit{Nature is infinitely resolution-free}. In the context of this reality, existing diffusion models, such as Diffusion Transformers, often face challenges when processing imag…