collaborators

9 papers

cs.AI2026

When and What to Teach: Budget-Aware Online Adaptation for Web Agents

Jianwei Zhang, Sihan Cao, Pengcheng Zheng +7

Web agents have achieved significant success in automating complex internet tasks but deploying them in real-world environments requires continuous online adaptation. Given that de…

cs.LG2026

TF-SNO: Time-Frequency Gated Spectral Neural Operators for Learning Non-Stationary Partial Differential Equations

Yitian Zhou, Chaoning Zhang, Zhenzhen Huang +8

Non-stationary partial differential equations (PDEs) arise throughout scientific computing, where the dominant frequency content and energy distribution can drift over time. While…

cs.MM2026

Multimodal Emotion Recognition with Large Language Models

Hongrui Zhang, Daiqing Wu, Yangyang Li +4

Multimodal Emotion Recognition (MER) focuses on identifying and interpreting emotions from modality-compound inputs. Closely mirroring human cognitive processes in real-world envir…

cs.AI2026

WebUncertainty: Dual-Level Uncertainty Driven Planning and Reasoning For Autonomous Web Agent

Lingfeng Zhang, Yongan Sun, Jinpeng Hu +5

Recent advancements in large language models (LLMs) have empowered autonomous web agents to execute natural language instructions directly on real-world webpages. However, existing…

cs.CV2026

Relaxing Anchor-Frame Dominance for Mitigating Hallucinations in Video Large Language Models

Zijian Liu, Sihan Cao, Pengcheng Zheng +5

Recent Video Large Language Models (Video-LLMs) have demonstrated strong capability in video understanding, yet they still suffer from hallucinations. Existing mitigation methods t…

cs.CV2026

Topology-Aware Layer Pruning for Large Vision-Language Models

Pengcheng Zheng, Chaoning Zhang, Ya Wen +10

Large Language Models (LLMs) have demonstrated strong capabilities in natural language understanding and reasoning, while recent extensions that incorporate visual inputs enable th…

cs.LG2026

Geometric Neural Operators via Lie Group-Constrained Latent Dynamics

Jiaquan Zhang, Fachrina Dewi Puspitasari, Songbo Zhang +7

Neural operators offer an effective framework for learning solutions of partial differential equations for many physical systems in a resolution-invariant and data-driven manner. E…

cs.LG2026

Rethinking Input Domains in Physics-Informed Neural Networks via Geometric Compactification Mappings

Zhenzhen Huang, Haoyu Bian, Jiaquan Zhang +6

Several complex physical systems are governed by multi-scale partial differential equations (PDEs) that exhibit both smooth low-frequency components and localized high-frequency st…

cs.AI2025

Understanding Chain-of-Thought in Large Language Models via Topological Data Analysis

Chenghao Li, Chaoning Zhang, Yi Lu +10

With the development of large language models (LLMs), particularly with the introduction of the long reasoning chain technique, the reasoning ability of LLMs in complex problem-sol…