摘要
研究了路、圈、扇和轮的E2-cordial性,并进一步分析和证明了Pm×Pn为E2-cordial图的充要条件是mn■2(mod 4).
We study the E2-cordiality of path, circle, fan and wheel, and the result shows that the necessary and sufficient condition for Pm × Pn to be E2-cordial graph is mn 2(mod 4).
出处
《延边大学学报(自然科学版)》
CAS
2010年第1期7-10,共4页
Journal of Yanbian University(Natural Science Edition)