activity
20232026
most citedEnhancing Quantum Security over Federated Learning via Post-Quantum Cryptography

11 citations · 25 across the 30 of their papers we have counts for

collaborators

34 papers

cs.LG2026

Training and Scaling Compute-Optimal Physiological Waveform Foundation Models

Pingzhi Li, Jie Peng, Shuqing Luo +2

We investigate the scaling laws and compute-optimal training of physiological waveform foundation models (FMs). We train Aether, a family of over one hundred FMs ranging from 20M t…

cs.LG2026

Test-Time Unlearning via Sparse Autoencoder

Pingzhi Li, Jinhao Duan, Vaishnav Tadiparthi +6

Machine unlearning aims to remove specific knowledge from a trained large language model (LLM) without retraining from scratch. Existing methods modify model weights via gradient a…

math.OC2026

B-PWL: GPU-Batched Branch-and-Bound for Piecewise-Linear Optimization with SOS2 Constraints

Yilin Guan, Shuqing Luo, Pingzhi Li +2

Piecewise-linear (PWL) optimization problems arise in many mixed-integer programming (MIP) optimization applications, including portfolio optimization, workforce scheduling, and re…

cs.AI2026

Vision Language Model Helps Private Information De-Identification in Vision Data

Tiejin Chen, Pingzhi Li, Kaixiong Zhou +2

Visual Language Models (VLMs) have gained significant popularity due to their remarkable ability. While various methods exist to enhance privacy in text-based applications, privacy…

cs.CR2026

Unveiling Privacy Risks in Multi-modal Large Language Models: Task-specific Vulnerabilities and Mitigation Challenges

Tiejin Chen, Pingzhi Li, Kaixiong Zhou +2

Privacy risks in text-only Large Language Models (LLMs) are well studied, particularly their tendency to memorize and leak sensitive information. However, Multi-modal Large Languag…

cs.AI2026

TRUST: A Framework for Decentralized AI Service v.0.1

Yu-Chao Huang, Zhen Tan, Mohan Zhang +3

Large Reasoning Models (LRMs) and Multi-Agent Systems (MAS) in high-stakes domains demand reliable verification, yet centralized approaches suffer four limitations: (1) Robustness,…

cs.AI2026

Graph-of-Agents: A Graph-based Framework for Multi-Agent LLM Collaboration

Sukwon Yun, Jie Peng, Pingzhi Li +5

With an ever-growing zoo of LLMs and benchmarks, the need to orchestrate multiple models for improved task performance has never been more pressing. While frameworks like Mixture-o…

cs.AR2026

Mozart: Modularized and Efficient MoE Training on 3.5D Wafer-Scale Chiplet Architectures

Shuqing Luo, Ye Han, Pingzhi Li +7

Mixture-of-Experts (MoE) architecture offers enhanced efficiency for Large Language Models (LLMs) with modularized computation, yet its inherent sparsity poses significant hardware…

cs.CL2026

CHIMERA: Compact Synthetic Data for Generalizable LLM Reasoning

Xinyu Zhu, Yihao Feng, Yanchao Sun +5

Large Language Models (LLMs) have exhibited remarkable reasoning capabilities, largely enabled by supervised fine-tuning (SFT)- and reinforcement learning (RL)-based post-training…

cs.LG2026★ 1 cited

FlashSchNet: Fast and Accurate Coarse-Grained Neural Network Molecular Dynamics

Pingzhi Li, Hongxuan Li, Zirui Liu +2

Graph neural network (GNN) potentials such as SchNet improve the accuracy and transferability of molecular dynamics (MD) simulation by learning many-body interactions, but remain s…

cs.LG2026

Towards Building Non-Fine-Tunable Foundation Models

Ziyao Wang, Nizhang Li, Pingzhi Li +3

Open-sourcing foundation models (FMs) enables broad reuse but also exposes model trainers to economic and safety risks from unrestricted downstream fine-tuning. We address this pro…

cs.AI2025

TRUST: A Decentralized Framework for Auditing Large Language Model Reasoning

Morris Yu-Chao Huang, Zhen Tan, Mohan Zhang +3

Large Language Models generate complex reasoning chains that reveal their decision-making, yet verifying the faithfulness and harmlessness of these intermediate steps remains a cri…

cs.LG2025

Leave It to the Experts: Detecting Knowledge Distillation via MoE Expert Signatures

Pingzhi Li, Morris Yu-Chao Huang, Zhen Tan +6

Knowledge Distillation (KD) accelerates training of large language models (LLMs) but poses intellectual property protection and LLM diversity risks. Existing KD detection methods b…

cs.LG2025

Can GRPO Help LLMs Transcend Their Pretraining Origin?

Kangqi Ni, Zhen Tan, Zijie Liu +2

Reinforcement Learning with Verifiable Rewards (RLVR), primarily driven by the Group Relative Policy Optimization (GRPO) algorithm, is a leading approach for enhancing the reasonin…

cs.CL2025

AsyncSpade: Efficient Test-Time Scaling with Asynchronous Sparse Decoding

Shuqing Luo, Yilin Guan, Pingzhi Li +2

Test-time scaling (TTS) boosts LLM reasoning via long chain-of-thought (CoT), but the linear KV-cache growth amplifies the memory-bound bottleneck of LLM decoding. Query-aware page…

cs.DC2025

Huawei Cloud Model-as-a-Service on the CloudMatrix384 SuperPod

Ao Xiao, Bangzheng He, Baoquan Zhang +125

Scaled-out MoE LLMs and scaled-up SuperPods create new systems challenges for production Model-as-a-Service (MaaS), requiring disaggregation, low-latency communication, and decentr…

cs.LG2025

Occult: Optimizing Collaborative Communication across Experts for Accelerated Parallel MoE Training and Inference

Shuqing Luo, Pingzhi Li, Jie Peng +7

Mixture-of-experts (MoE) architectures could achieve impressive computational efficiency with expert parallelism, which relies heavily on all-to-all communication across devices. U…

cs.LG2025

DOGe: Defensive Output Generation for LLM Protection Against Knowledge Distillation

Pingzhi Li, Zhen Tan, Mohan Zhang +3

Large Language Models (LLMs) represent substantial intellectual and economic investments, yet their effectiveness can inadvertently facilitate model imitation via knowledge distill…

quant-ph2025★ 2 cited

Symbolic Analysis of Grover Search Algorithm via Chain-of-Thought Reasoning and Quantum-Native Tokenization

Min Chen, Jinglei Cheng, Pingzhi Li +3

Understanding the high-level conceptual structure of quantum algorithms from their low-level circuit representations is a critical task for verification, debugging, and education.…

cs.LG2025

Advancing MoE Efficiency: A Collaboration-Constrained Routing (C2R) Strategy for Better Expert Parallelism Design

Mohan Zhang, Pingzhi Li, Jie Peng +2

Mixture-of-Experts (MoE) has successfully scaled up models while maintaining nearly constant computing costs. By employing a gating network to route input tokens, it selectively ac…

cs.LG2025

Finding Fantastic Experts in MoEs: A Unified Study for Expert Dropping Strategies and Observations

Ajay Jaiswal, Jianyu Wang, Yixiao Li +6

Sparsely activated Mixture-of-Experts (SMoE) has shown promise in scaling up the learning capacity of neural networks. However, vanilla SMoEs have issues such as expert redundancy…

cs.LG2025

ORAL: Prompting Your Large-Scale LoRAs via Conditional Recurrent Diffusion

Rana Muhammad Shahroz Khan, Dongwen Tang, Pingzhi Li +2

Parameter generation has emerged as a novel paradigm for neural network development, offering an alternative to traditional neural network training by synthesizing high-quality mod…

cs.LG2025

Make Optimization Once and for All with Fine-grained Guidance

Mingjia Shi, Ruihan Lin, Xuxi Chen +8

Learning to Optimize (L2O) enhances optimization efficiency with integrated neural networks. L2O paradigms achieve great outcomes, e.g., refitting optimizer, generating unseen solu…

quant-ph2025

GroverGPT: A Large Language Model with 8 Billion Parameters for Quantum Searching

Haoran Wang, Pingzhi Li, Min Chen +3

Quantum computing is an exciting non-Von Neumann paradigm, offering provable speedups over classical computing for specific problems. However, the practical limits of classical sim…