@article{computingtheintegralr2indicatorbyperspec,
  title = {Computing the Integral R2 Indicator by Perspective Mapping and Box Decomposition},
  author = {Michael T. M. Emmerich},
  year = {2026},
  eprint = {2606.30530},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.30530},
}