A characterization of the Grassmann graphs: one missing case
Jack H. Koolen, Chenhui Lv, Alexander L. Gavrilyuk·2024-12-15·via math.CO updates on arXiv.org
We prove that the Grassmann graphs $J_2(2D+3,D)$, $D\geq 3$, are characterized by their intersection numbers, which settles one of the few remaining cases.