On (almost) 2-Y-homogeneous distance-biregular graphs
B Fernández, S Penjić - Bulletin of the Malaysian Mathematical Sciences …, 2023 - Springer
Let Γ denote a bipartite graph with vertex set X and color partitions Y, Y′. For a nonnegative
integer i and a vertex x∈ X, let Γ i (x) denote the set of vertices in X that are at distance i from …
integer i and a vertex x∈ X, let Γ i (x) denote the set of vertices in X that are at distance i from …