Draw Your First Network with Paper and Pencil
Just like networks with regular topology, complex networks are not necessarily large. In fact, they are not even “complex” in the colloquial meaning of the word. We can easily spot them without any specialized hardware or software; a pair of inquisitive eyes, a sheet of paper, and a pencil often suffice.
As a proof of concept, let’s do an exercise in network construction (just construction, no analysis so far!). We are deeply convinced that complex networks are everywhere; rephrasing the quote, incorrectly attributed to Michelangelo, “all we have to do is to chip away everything that is not a complex network.”
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