@article{characterizingparametricandconvergence,
  title = {On Convergence Lemma and Convergence Stability for Piecewise Analytic Functions},
  author = {Xiaotie Deng and Hanyu Li and Ningyuan Li},
  year = {2022},
  eprint = {2204.01643},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2204.01643v3},
}