collaborators

7 papers

cs.RO2026

Can LLMs Prove Robotic Path Planning Optimality? A Benchmark for Research-Level Algorithm Verification

Zhengbang Yang, Md. Tasin Tazwar, Minghan Wei +1

Robotic path planning problems are often NP-hard, and practical solutions typically rely on approximation algorithms with provable performance guarantees for general cases. While d…

cs.CL2026

Distribution Corrected Offline Data Distillation for Large Language Models

Yumeng Zhang, Zhengbang Yang, Yevin Nikhel Goonatilake +1

Distilling reasoning traces from strong large language models into smaller ones is a promising route to improve intelligence in resource-constrained settings. Existing approaches f…

cs.LG2026

DUET: Distilled LLM Unlearning from an Efficiently Contextualized Teacher

Yisheng Zhong, Zhengbang Yang, Zhuangdi Zhu

LLM unlearning is a technique to remove the impacts of undesirable knowledge from the model without retraining from scratch, which is indispensable towards trustworthy AI. Existing…

cs.CL2026

CATNIP: LLM Unlearning via Calibrated and Tokenized Negative Preference Alignment

Zhengbang Yang, Yisheng Zhong, Junyuan Hong +1

Pretrained knowledge memorized in LLMs raises critical concerns over safety and privacy, which has motivated LLM Unlearning as a technique for selectively removing the influences o…

cs.LG2025

Hierarchical Federated Unlearning for Large Language Models

Yisheng Zhong, Zhengbang Yang, Zhuangdi Zhu

Large Language Models (LLMs) are increasingly integrated into real-world applications, raising concerns about privacy, security and the need to remove undesirable knowledge. Machin…

cs.CY2025

ChatWise: A Strategy-Guided Chatbot for Enhancing Cognitive Support in Older Adults

Zhengbang Yang, Junyuan Hong, Yijiang Pang +2

Cognitive health in older adults presents a growing challenge. Although conversational interventions show feasibility in improving cognitive wellness, human caregiver resources rem…