Exploring Cooperative Game Mechanisms of Scientific Coauthorship Networks

Table 1

Specific statistical indexes of the empirical data.

Data
PNAS	2.62%	1.08%	2.90%	0.27%
PRE	3.85%	1.58%	19.2%	6.45%

Indexes and are the percent of authors who have a surname among major 100 Chinese surnames and only one given name shorter than six characters and the percent of those authors further conditioned on publishing more than one papers. Indexes and are the percent of authors who use the surname and the initial of the first given name and the percent of those authors further conditioned on publishing more than one papers.