图的λ<sub>k</sub>最优性和超级性(k=2,3)的邻域交与边度条件

杨莹莹, 高敬振, 李鑫

Intersection of Neighborhoods and Edge-Degree Conditions of λ_ｋ-Optimal and Super-λ_ｋ(k=2,3)Graphs

YANG Ying-Ying, GAO Jing-Zhen, LI Xin

J4 . 2010, (1): 15 -19 .