Analysis of a Delayed Internet Worm Propagation Model with Impulsive Quarantine Strategy

<table>Bifurcation diagram of system (<a href="https://static.hindawi.com/articles/mpe/volume-2014/369360/figures/#EEq4.1">22</a>) with <svg height="8.125" id="M435" style="vertical-align:-0.0627pt" version="1.1" viewbox="0 0 8.3374996 8.125" width="8.3374996" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.863)"><path d="M471 456q-22 -60 -37 -85q-20 -3 -84 -3q-9 0 -29 2t-29 2q-38 -145 -54 -234q-15 -80 14 -80q23 0 68 38l14 -25q-78 -83 -137 -83q-50 0 -50 64q0 25 7 57l67 266q-57 4 -98 -9t-80 -49l-20 21q14 18 27 31t36.5 30t56.5 26t73 9q26 0 82.5 -2t89.5 -2q21 0 32 5t24 24
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</svg> from 1 to 90.</table>

Mathematical Problems in Engineering

fig15

Figure 15

Figure 15: Analysis of a Delayed Internet Worm Propagation Model with Impulsive Quarantine Strategy 