Accelerated growth
Routines for nonlinear growth [1], with each new node having a constant (absolute) number of connections or a relative (proportional) number of connections at the time of being added to the network [2].
absolute number, NLA
proportional number, NLP
References
[1] Bauer, R., and M. Kaiser. 2017. Nonlinear growth: an origin of hub organization in complex networks. R Soc Open Sci 4 (3): 160691
[2] Bauer, Roman; Kaiser, Marcus (2017), Data from: Nonlinear growth: an origin of hub organization in complex networks, Dryad