The simplex algorithm is NP-mighty (Disser, Y. and Skutella, M.), In Proceedings of the 26th ACM-SIAM Symposium on Discrete Algorithms (SODA), 2015.
Bibtex Entry:
@inproceedings{DisserSkutella-15,
author = {Disser, Y. and Skutella, M.},
booktitle = {Proceedings of the 26th ACM-SIAM Symposium on Discrete Algorithms (SODA)},
title = {The simplex algorithm is NP-mighty},
pages = {858-872},
year = {2015},
}