Matthew Effect of the Random Drift on the Evolution of Cooperation

<table>The dynamics of the PDG system with or without the influence of the random drift on a <svg height="11.125" id="M79" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 50.299999 11.125" width="50.299999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> regular lattice. The temptation-to-defect is <svg height="12.4375" id="M80" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 47.712502 12.4375" width="47.712502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M452 333q0 -82 -46 -164t-116 -128q-81 -53 -158 -53q-26 0 -51 13t-37 32q-26 41 -6 134l91 431q7 40 2.5 47t-34.5 7h-33l2 25q36 4 72.5 13t58.5 15.5t28 6.5q10 0 4 -29l-91 -391h2q65 77 130 116.5t105 39.5q36 0 56.5 -32t20.5 -83zM365 316q0 76 -35 76
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</svg>. All the simulations start from the same random initial configuration.</table>

Mathematical Problems in Engineering

Matthew Effect of the Random Drift on the Evolution of Cooperation

Figure 6