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Behaviour-induced phase transitions in contagion models on networks

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Behaviour-induced phase transitions in contagion models on networks
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19
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CC Attribution - NonCommercial - NoDerivatives 4.0 International:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal and non-commercial purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Seemingly trivial modifications to the classical model of contagion spreading can dramatically alter its phenomenology. For example, discontinuous phase transitions can occur due to complex or interacting contagions, accelerating transmission and hysteresis loops can occur when individuals modify their behaviour after becoming infectious, and double phase transitions can emerge in the presence of asymmetric percolation. In this talk, I will present recent theoretical work on the affect of behaviour on contagion spreading and discuss empirical support for these new models. Our findings demonstrate the inherent complexity of biological contagion and we anticipate that our methods will advance the emerging field of disease forecasting.