报告题目：Weakly distance-regular digraphs
    报告人：王恺顺 教授 （北京师范大学）
    报告时间：12月2日（周三） 下午 15：00-16：00
    腾讯会议 ID：154 318 994
    报告摘要：As a directed version of distance-regular graphs, the concept of weakly distance regular digraphs was introduced in 2003. In this talk, I will introduce the development of this family of digraphs.

邀请人：季利均