Finite Unions of Closed Subgroups of the n-Dimensional Torus

Jim Lawrence. Finite Unions of Closed Subgroups of the n-Dimensional Torus. In Peter Gritzmann, Bernd Sturmfels, editors, Applied Geometry And Discrete Mathematics, Proceedings of a DIMACS Workshop, Providence, Rhode Island, USA, September 18, 1990. Volume 4 of DIMACS Series in Discrete Mathematics and Theoretical Computer Science, pages 433-442, DIMACS/AMS, 1990.

@inproceedings{Lawrence90,
  title = {Finite Unions of Closed Subgroups of the n-Dimensional Torus},
  author = {Jim Lawrence},
  year = {1990},
  researchr = {https://researchr.org/publication/Lawrence90},
  cites = {0},
  citedby = {0},
  pages = {433-442},
  booktitle = {Applied Geometry And Discrete Mathematics, Proceedings of a DIMACS Workshop, Providence, Rhode Island, USA, September 18, 1990},
  editor = {Peter Gritzmann and Bernd Sturmfels},
  volume = {4},
  series = {DIMACS Series in Discrete Mathematics and Theoretical Computer Science},
  publisher = {DIMACS/AMS},
}