König, Sebastian. “Combinatorics of Centers of 0-Hecke Algebras in Type A”. The Electronic Journal of Combinatorics 30, no. 3 (August 11, 2023): #P3.16. Accessed May 21, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v30i3p16.