@article{article11218649,
title   = {A study on token digraphs},
author = {Fernandes, Cristina Gomes and Lintzmayer, Carla Negri and Peña, Juan P. and Santos, Giovanne and Trujillo-Negrete, Ana and Zamora, Jose},
year = {2026},
doi = {10.1016/j.disc.2025.114951},
journal   = {Discrete Mathematics}
}