Author

Tianyou Lai

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Preprint Oct 2026

After Cooperation Is Learned: Gradient Routing and Optimizer-Dependent Maintenance in Multi-Agent Reinforcement Learning

Cooperative MARL is commonly evaluated through cooperation discovery from random initialization, leaving open whether continued optimization can destabilize learned cooperation. Actor-critic comparisons can also conflate critic presence with value gradients entering shared actor representations. We study cooperation ma...

Chao-Yuan Hao, Wen-Tao Yue, Tian-You Lai et al. · 0 citations

Preprint Oct 2026

Beyond Domain-Level Adaptation: Margin-Oriented Semantic-Appearance Interaction Correction for Personalized Federated Vision-Language Models

Federated parameter-efficient fine-tuning enables distributed clients to adapt pretrained vision-language models without sharing raw data or updating the full backbone. Its effectiveness, however, is limited by domain heterogeneity across clients. Existing personalized methods separate globally shared knowledge from cl...

Wen-Tao Yue, Qing-Yu Mao, Tian-You Lai et al. · 0 citations

#machine learning Preprint Oct 2026

FedSAP: Federated Learning with Structured Adaptive Partitioning for Multi-Domain Heterogeneous Edge Devices

Federated learning (FL) on heterogeneous edge devices must jointly accommodate unequal resource budgets and domain-shifted local data. Existing resource-adaptive methods decide how much of a model each client trains but not where retained capacity should reside or how it should be shared, whereas federated domain-gener...

Wen-Tao Yue, Tian-You Lai, Hong-Jiao Li et al. · 0 citations

#computer vision Preprint Aug 2026

TRACE: Training-time Report-guided and Clinically Ordered Concept Editing

Breast ultrasound diagnosis relies on clinically meaningful semantic concepts, yet most deep learning methods adopt end-to-end image-to-label paradigms that lack interpretability and robustness. While concept-based approaches offer a promising alternative, they often assume complete annotations or require multimodal in...

Wen-Tao Yue, Tian-You Lai, Jia-Yu Luo et al. · 0 citations