English

Weakly distance-regular digraphs whose attached association schemes are regular

Combinatorics 2020-03-20 v2

Abstract

In this paper, we study commutative weakly distance-regular digraphs whose attached association schemes are regular, and give a characterization of mixed arcs. As an application, we classify such digraphs of diameter 2.

Keywords

Cite

@article{arxiv.1707.02043,
  title  = {Weakly distance-regular digraphs whose attached association schemes are regular},
  author = {Yuefeng Yang and Benjian Lv and Kaishun Wang},
  journal= {arXiv preprint arXiv:1707.02043},
  year   = {2020}
}

Comments

This paper has been withdrawn by the author because the result of this paper has been added in the paper 2003.08053

R2 v1 2026-06-22T20:40:21.665Z