English

$P$-polynomial weakly distance-regular digraphs

Combinatorics 2023-06-28 v2

Abstract

A weakly distance-regular digraph is PP-polynomial if its attached scheme is PP-polynomial. In this paper, we characterize all PP-polynomial weakly distance-regular digraphs.

Keywords

Cite

@article{arxiv.2210.16121,
  title  = {$P$-polynomial weakly distance-regular digraphs},
  author = {Qing Zeng and Yuefeng Yang and Kaishun Wang},
  journal= {arXiv preprint arXiv:2210.16121},
  year   = {2023}
}
R2 v1 2026-06-28T04:43:08.713Z