@article{250604430,
  title = {Leveraging Coordinate Momentum in SignSGD and Muon: Memory-Optimized Zero-Order},
  author = {Egor Petrov and Grigoriy Evseev and Aleksey Antonov and Andrey Veprikov and Pavel Plyusnin and Nikolay Bushkov and Stanislav Moiseev and Aleksandr Beznosikov},
  year = {2025},
  eprint = {2506.04430},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2506.04430v2},
}