Study on the Hierarchical Structure of the “Belt and Road” Aviation Network Based on K-Core Analysis

Table 4

Structure parameters of the network at each layer.

	The number of nodes	The number of edges	The largest connected subgraph		Network density	Clustering coefficient
			The number of nodes	The number of edges
	93	6	2	1	0.0007	0.0000
	69	0	1	0	0.0000	0.0000
	42	1	2	1	0.0006	0.0000
	42	7	3	2	0.0041	0.0000
	25	0	1	0	0.0000	0.0000
	22	0	1	0	0.0000	0.0000
	13	2	2	1	0.0128	0.0000
	15	3	2	1	0.0143	0.0000
	19	8	2	1	0.0234	0.0000
	14	2	2	1	0.0110	0.0000
	15	8	4	4	0.0381	0.0000
	8	6	3	2	0.1071	0.0000
	23	29	11	24	0.0573	0.4240
	8	2	2	1	0.0536	0.0000
	18	57	12	55	0.1863	0.2070
	4	1	2	1	0.1667	0.0000
	22	63	17	58	0.1245	0.4740
	17	57	14	57	0.2375	0.3650
	53	1363	53	1363	0.4946	0.6400