Computation and Communication Efficient Federated Unlearning via On-server Gradient Conflict Mitigation and Expression. - Minh-Duong Nguyen; Senura Hansaja; Le-Tuan Nguyen; Quoc-Viet Pham; Ken-Tye Yong; Nguyen H. Tran; Dung D. Le (CoRR, 2026)