DES-LOC: Desynced Low Communication Adaptive Optimizers for Foundation Models - Iacob, Alex; Sani, Lorenzo; Safaryan, Mher; Giampouras, Paris; Horváth, Samuel; Jovanovic, Andrej; Kurmanji, Meghdad; Aleksandrov, Preslav; Shen, William; Qiu, Xinchi; Lane, Nic (International Conference on Learning Representations, 2026)