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Small world and the virus app

For relaxing social distancing because of corona an app for tracking contacts is in debate. The theoretical background of the app is obvious, but the practical advice underlies the ‘small world’ phenomena of exponential growth, just like the virus itself. Let’s take an example. The app traces our contacts during incubation time of two weeks and all critical situations are detected and stored. This is quite a long time so even with social distancing we need to go shopping or at work in this period. If we take an arbitrary number of 100 suspected contacts during two weeks, it would…

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  • S2n - ISSN 2366-0104