摘要
讨论n阶单圈图的第四大和第五大的Merrifield-Simmons指标,得到Merrifield-Simmons指标第四大和第五大的n阶单圈图.
The fourth and fifth largest value of σ-index of n th-order unicyclic graphs are studied.The graphs with the fourth and fifth largest σ-index are obtained.
出处
《青海师范大学学报(自然科学版)》
2010年第1期9-11,共3页
Journal of Qinghai Normal University(Natural Science Edition)