Sets of r-Graphs that Color All r-Graphs
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, Combinatorica 45 (2025).

Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs
Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, Combinatorica 44 (2024) 429–440.