摘要
Let r ≥1, k ≥ 2 and Fm1,… k;r denote the most general definition of a friendship graph,
Let r ≥1, k ≥ 2 and Fm1,… k;r denote the most general definition of a friendship graph,
基金
Supported by National Natural Science Foundation of China(Grant No.10861006)
SRF for ROCS,SEM