@article{softsignsmoothsigninyouroptimizerforbett,
  title = {Softsign: Smooth Sign in Your Optimizer For Better Parameter Heterogeneity Handling},
  author = {Dmitrii Feoktistov and Timofey Belinsky and Andrey Veprikov and Amir Zainullin and Aleksandr Beznosikov},
  year = {2026},
  eprint = {2605.31371},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.31371},
}