1.
Ardila F, Castillo F, Samper JA. The Topology of the External Activity Complex of a Matroid. Electron. J. Combin. [Internet]. 2016Jul.22 [cited 2026Mar.29];23(3):P3.8. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i3p8