Parinya Chalermsook Ly Orgo Minoo Zarsav A Freeable Matrix Characterization of Bipartite Graphs of Ferrers Dimension Three. 2025 October abs/2510.20744 CoRR https://doi.org/10.48550/arXiv.2510.20744 db/journals/corr/corr2510.html#abs-2510-20744 streams/journals/corr