Wang, Mingyang; Yu, Guang; Yu, Daren - In: Physica A: Statistical Mechanics and its Applications 388 (2009) 19, pp. 4273-4276
In this paper, we investigated the influences of the age of papers on the preferential attachment on the basis of three actual citation networks. We found that the time dependence of the attachment rate Π(k,t) follows a uniform exponentially decreasing function, T(t)∼exp(−λt), in different...