The kernel of chromatic quasisymmetric functions on graphs and hypergraphic polytopes. - Raul Penaguiao (J. Comb. Theory A, 2020)

The feasible regions for consecutive patterns of pattern-avoiding permutations. - Jacopo Borga; Raul Penaguiao (Discret. Math., 2023)

The Tropical Critical Points of an Affine Matroid. - Federico Ardila-Mantilla; Christopher Eur; Raul Penaguiao (SIAM J. Discret. Math., 2024)

Discrete Signature Varieties. - Carlo Bellingeri; Raul Penaguiao (SIAM J. Appl. Algebra Geom., 2025)