k-Sachs-Critical Graphs. - Daniel A. Jaume; Diego G. Martinez; Cristian Panelo; Kevin Pereyra (LAGOS, 2025)

On the Kőnig-Egerváry index of a graph. - Daniel A. Jaume; Vadim E. Levit; Eugen Mandrescu; Gonzalo Molina; Kevin Pereyra (Discret. Appl. Math., 2026)

Towards a structural characterization of unimodular graphs with a unique perfect matching. - Daniel A. Jaume; Diego G. Martinez; Cristian Panelo; Kevin Pereyra (Discret. Math., 2026)

Graphs with core(G) = nucleus(G). - Vadim E. Levit; Eugen Mandrescu; Kevin Pereyra (CoRR, 2026)

A Short Path to Kőnig's, Berge's, and Hall's Theorems via Edge-Stability. - Daniel A. Jaume; Kevin Pereyra (Am. Math. Mon., 2026)