@Inproceedings{EPTCS353.8,
  author    = {Retor\'e , Christian},
  year      = {2021},
  title     = {Flag: a Self-Dual Modality for Non-Commutative Contraction and Duplication in the Category of Coherence Spaces},
  editor    = {Dal Lago, Ugo and de Paiva, Valeria},
  booktitle = {{\rm Proceedings Second Joint International Workshop on}
               Linearity \& Trends in Linear Logic and Applications,
               {\rm Online, 29-30 June 2020}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {353},
  publisher = {Open Publishing Association},
  pages     = {157-174},
  doi       = {10.4204/EPTCS.353.8},
}