%0 Journal Article %A Zied Ammari %A Shahnaz Farhat %A Sören Petrat %T Expansion of the Many-body quantum Gibbs state of the Bose–Hubbard model on a finite graph %J Documenta mathematica %D 2025 %P 475-496 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/dm/1001/ %R 10.4171/dm/1001 %F 10_4171_dm_1001