What do sparse interpolation, padé approximation, gaussian quadrature and tensor decomposition have in common?

Annie A. M. Cuyt. What do sparse interpolation, padé approximation, gaussian quadrature and tensor decomposition have in common?. In Ioannis Z. Emiris, Lihong Zhi, editors, ISSAC '20: International Symposium on Symbolic and Algebraic Computation, Kalamata, Greece, July 20-23, 2020. pages 12, ACM, 2020. [doi]

@inproceedings{Cuyt20,
  title = {What do sparse interpolation, padé approximation, gaussian quadrature and tensor decomposition have in common?},
  author = {Annie A. M. Cuyt},
  year = {2020},
  doi = {10.1145/3373207.3403983},
  url = {https://doi.org/10.1145/3373207.3403983},
  researchr = {https://researchr.org/publication/Cuyt20},
  cites = {0},
  citedby = {0},
  pages = {12},
  booktitle = {ISSAC '20: International Symposium on Symbolic and Algebraic Computation, Kalamata, Greece, July 20-23, 2020},
  editor = {Ioannis Z. Emiris and Lihong Zhi},
  publisher = {ACM},
  isbn = {978-1-4503-7100-1},
}