摘要
本文证明了图C_4~当t为奇数时,它是协调图又是巧妙图;对任意自然数t,它是亲切图.
This article proves that the graph C_4^(l) is an harmonious as well as an ingenious graph, if t is odd,C_4^(l) is a Cordial graph for any natural number t.
出处
《河北师范大学学报(自然科学版)》
CAS
1993年第2期19-21,共3页
Journal of Hebei Normal University:Natural Science
关键词
单射
双射
风车
协调
亲切
巧妙
injection bijection windmill harmonious cordial ingenious.