Chaos in a Tumor Growth Model with Delayed Responses of the Immune System

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Equilibrium</td><td align="left">Nature of stability</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left"><span style="width: 17.375px;"><svg height="14.2375" id="M24" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 17.375 14.2375" width="17.375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2375)">
<g transform="translate(72,-60.61)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐸</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.02,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">1</tspan>
</text>
</g>
</g>
</svg></span></td><td align="left">Absolutely unstable saddle point</td></tr><tr><td align="left"><span style="width: 17.375px;"><svg height="14.2375" id="M25" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 17.375 14.2375" width="17.375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2375)">
<g transform="translate(72,-60.61)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐸</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.02,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">2</tspan>
</text>
</g>
</g>
</svg></span></td><td align="left">Absolutely unstable saddle point</td></tr><tr><td align="left"><span style="width: 17.375px;"><svg height="14.3875" id="M26" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 17.375 14.3875" width="17.375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3875)">
<g transform="translate(72,-60.49)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐸</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.02,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">3</tspan>
</text>
</g>
</g>
</svg></span></td><td align="left">Asymptotically stable</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Journal of Applied Mathematics

tab1

Table 1

Table 1: Chaos in a Tumor Growth Model with Delayed Responses of the Immune System 