. [. Gale, Optimal assignments in an ordered set: An application of matroid theory, Journal of Combinatorial Theory, vol.4, issue.2, pp.1073-1082, 1968.
DOI : 10.1016/S0021-9800(68)80039-0

. [. Lusztig, Introduction to total positivity, in Positivity in Lie theory: open problems, pp.133-145, 1998.

B. Leclerc and A. Zelevinsky, Quasicommuting families of quantum Pl??cker coordinates, p.181, 1998.
DOI : 10.1090/trans2/181/03

. [. Oh, Positroids and Schubert matroids, Journal of Combinatorial Theory, Series A, vol.118, issue.8
DOI : 10.1016/j.jcta.2011.06.006

. [. Oh, Contraction and restriction of positroids in terms of decorated permutations arXiv:0804, p.882

. S. Ops, A. Oh, D. Postnikov, and . Speyer, Weakly separated sets and plabic graphs

. [. Postnikov, Total positivity, Grassmannians, and networks, arXiv: math/ 0609764v1

J. Scott, GRASSMANNIANS AND CLUSTER ALGEBRAS, Proc. London Math. Soc. (3), pp.345-380, 2006.
DOI : 10.1112/S0024611505015571