This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.
 A. M. Attia , N. Aziz , B. Friedman & M. F. Elhusseiny (2011) Commentary: The impact of social networking tools on political change in Egypt's “Revolution 2.0”. Electron. Commer. Res. Appl. 10 (4), 369–374.
 H. Berestycki & F. Hamel (2002) Front propagation in periodic excitable media. Commun. Pure Appl. Math. 55 (8), 949–1032.
 H. Berestycki , F. Hamel & L. Roques (2004) Analysis of the periodically fragmented environment model: I-Influence of periodic heterogeneous environment on species persistence. J. Math. Biol. 51 (1), 75–113.
 H. Berestycki , B. Larrouturou & P. L. Lions (1990) Multi-dimensional travelling-wave solutions of a flame propagation model. Arch. Ration. Mech. Anal. 111 (1), 33–49.
 H. Berestycki , N. Rodríguez & L. Ryzhik (2013) Traveling wave solutions in a reaction-diffusion model for criminal activity. Multiscale Model. Simul. 11 (4), 1097–1126.
 D. Braha (2012) Global civil unrest: Contagion, self-organization, and prediction. PloS One 7 (10), 1–11.
 T. P. Davies , H. M. Fry , A. Wilson G. & S. R. Bishop (2013) A mathematical model of the London riots and their policing. Sci. Rep. 3 (1303), 1–9.
 G. Faye (2013) Existence and stability of traveling pulses in a neural field equation with synaptic depression. SIAM J. Appl. Dyn. Syst. 12 (4), 2032–2067.
 P. Hwa Ang & B. Nadarajan (1996) Censorship and the internet: A Singapore perspective. Commun. ACM 39 (6), 72–78.
 K.-Y. Lam & Y. Lou (2014) Evolutionarily stable and convergent stable strategies in reaction-diffusion models for conditional dispersal. Bull. Math. Biol. 76 (2), 261–91.
 J. C. Lang & H. De Sterck (2014) The Arab Spring: A simple compartmental model for the dynamics of a revolution. Math. Soc. Sci. 69, 12–21.
 G. A. Maciel & F. Lutscher (2013) How individual movement response to habitat edges affects population persistence and spatial spread. Amer. Naturalist 182 (1), 42–52.
 F. Schweitzer & J. A. Holyst (2000) Modelling collective opinion formation by means of active Brownian particles. Eur. Phys. J. B 15, 723–732.
 J. Sherratt (1998) On the transition from initial data to travelling waves in the Fisher-KPP equation. Dyn. Stab. Syst. 13 (2), 167–174.
 M. B. Short , M. R. D'Orsogna , P. J. Brantingham & G. E. Tita (2009) Measuring and modeling repeat and near-repeat burglary effects. J. Quant. Criminology 25 (3), 325–339.
 M. B. Short , M. R. D'Orsogna , V. B. Pasour , G. E. Tita , P. J. Brantingham , A. L. Bertozzi & L. B. Chayes (2008) A statistical model of criminal behavior. Math. Models Methods Appl. Sci. 18 (Suppl.), 1249–1267.
 Z. Tufekci & C. Wilson (2012) Social media and the decision to participate in political protest: Observations from Tahrir Square. J. Commun. 62 (2), 363–379.