Ruiwen Dong. On the Identity Problem for Unitriangular Matrices of Dimension Four. In Stefan Szeider, Robert Ganian, Alexandra Silva 0001, editors, 47th International Symposium on Mathematical Foundations of Computer Science, MFCS 2022, August 22-26, 2022, Vienna, Austria. Volume 241 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2022. [doi]
Abstract is missing.