How to choose the signature operator such that the periodic pseudo-Jacobi inverse eigenvalue problem is solvable?

Wei-Ru Xu, Yi Gong, Natália Bebiano, Guo-Liang Chen 0002. How to choose the signature operator such that the periodic pseudo-Jacobi inverse eigenvalue problem is solvable?. Appl. Math. Lett., 126:107803, 2022. [doi]

@article{XuGBC22,
  title = {How to choose the signature operator such that the periodic pseudo-Jacobi inverse eigenvalue problem is solvable?},
  author = {Wei-Ru Xu and Yi Gong and Natália Bebiano and Guo-Liang Chen 0002},
  year = {2022},
  doi = {10.1016/j.aml.2021.107803},
  url = {https://doi.org/10.1016/j.aml.2021.107803},
  researchr = {https://researchr.org/publication/XuGBC22},
  cites = {0},
  citedby = {0},
  journal = {Appl. Math. Lett.},
  volume = {126},
  pages = {107803},
}