摘要
本文研究了带根4-正则单行平面地图的计数问题,并给出了以其非根点数和两个奇点次为三个参数的一些计数公式.
This paper investigates the number of rooted 4-regular unicursal planar maps and presents some formulae for such maps with three parameters: the number of nonrooted vertices and the valencies of two odd vertices.
出处
《数学进展》
CSCD
北大核心
2013年第1期61-68,共8页
Advances in Mathematics(China)
基金
supported by NSFC(No.10271017)
Chongqing Municipal Education Commission (No.KJ101204,No.KJ091217)
the Natural Science Foundation Project of Chongqing(No. cstc2012jjA00041)