Lexicographic shellability, matroids, and pure order ideals. - Steven Klee; José Alejandro Samper (Adv. Appl. Math., 2015)

The Topology of the External Activity Complex of a Matroid. - Federico Ardila; Federico Castillo; José Alejandro Samper (Electron. J. Comb., 2016)

Quasi-matroidal classes of ordered simplicial complexes. - José Alejandro Samper (J. Comb. Theory A, 2020)

Finiteness theorems for matroid complexes with prescribed topology. - Federico Castillo; José Alejandro Samper (Eur. J. Comb., 2021)

The Cone of 5˟ 5 Completely Positive Matrices. - Max Pfeffer; José Alejandro Samper (Discret. Comput. Geom., 2024)