The density of maximal IC-plane graphs and maximal NIC-plane graphs

Zongpeng Ding, Yuanqiu Huang, Fengming Dong +2

In this paper, we show that any maximal IC-plane graph of order $n$ has at least $\lceil \frac{7}{3}n-\frac{14}{3}\rceil$ edges, and any maximal NIC-plane graph of order…