To cite piqp in publications use:

Schwan R, Jiang Y, Kuhn D, Jones C (2023). “PIQP: A Proximal Interior-Point Quadratic Programming Solver.” doi:10.48550/arXiv.2304.00290.

If you also use the R package, in addition use:

Narasimhan B, Schwan R, Jiang Y, Kuhn D, Jones C (2023). “piqp: R Interface to Proximal Interior Point Quadratic Programming Solver.”

Corresponding BibTeX entries:

  @Misc{,
    title = {PIQP: A Proximal Interior-Point Quadratic Programming
      Solver},
    author = {Roland Schwan and Yuning Jiang and Daniel Kuhn and Colin
      N. Jones},
    year = {2023},
    doi = {10.48550/arXiv.2304.00290},
  }

  @Misc{,
    title = {piqp: R Interface to Proximal Interior Point Quadratic
      Programming Solver},
    author = {Balasubramanian Narasimhan and Roland Schwan and Yuning
      Jiang and Daniel Kuhn and Colin N. Jones},
    year = {2023},
  }