Sylvie Corteel and Lauren Williams (2009). Tableaux combinatorics for the asymmetric exclusion process and Askey-Wilson polynomials. Preprint. [link] [GS?]
Gregg Musiker and Ralf Schiffler and Lauren Williams (2009). Positivity for cluster algebras from surfaces. Preprint. [link] [GS?]
Konstanze Rietsch and Lauren Williams (2008). Discrete Morse theory for totally non-negative flag varieties. To appear in Advances in Mathematics. [link] [GS?]
Alex Postnikov and Vic Reiner and Lauren Williams (2008). Faces of generalized permutohedra. Doc. Math. 13 207-273. [MR] [GS?]
Lauren Williams (2007). Shelling totally nonnegative flag varieties. J. Reine Angew. Math. 609 1-21. [MR] [GS?]