%0 Journal Article %A Tsujimoto, Satoshi %A Vinet, Luc %A Zhedanov, Alexei %T Meta algebras and biorthogonal rational functions: The Hahn case %J Forum of Mathematics, Sigma %D 2025 %P e139 %V 13 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2025.10040/ %R 10.1017/fms.2025.10040 %F 10_1017_fms_2025_10040