ローレン・キヨミ・ウィリアムズ
Musiker, Gregg; Schiffler, Ralf; Williams, Lauren (2011), “Positivity for cluster algebras from surfaces”, Advances in Mathematics 227 (6): 2241–2308, arXiv:0906.0748, doi:10.1016/j.aim.2011.04.018, MR2807089 .
Kodama, Yuji; Williams, Lauren K. (2011), “KP solitons, total positivity, and cluster algebras”, Proceedings of the National Academy of Sciences of the United States of America 108 (22): 8984–8989, arXiv:1105.4170, Bibcode: 2011PNAS..108.8984K, doi:10.1073/pnas.1102627108, MR2813307, PMC 3107278, PMID 21562211, http://www.